[
  {
    "code": "AGQ8730",
    "name": "AGQ8730 · Tramonto",
    "density": 2440,
    "densityStatus": "Published Guava brand reference",
    "densityNote": "Guava’s technical information reports 2.44 g/cm³ (ASTM C97), equivalent to 2,440 kg/m³. This published brand reference is not a measurement of this individual product code or slab.",
    "sources": [
      {
        "label": "Guava technical information · density 2.44 g/cm³",
        "url": "https://www.adamstonetech.com/web/content/23465?download=true&unique=d8c0fe799d1e6d8a532fb450c14981ec63e767c0"
      },
      {
        "label": "Adamstone / Guava · product catalogue",
        "url": "https://adamstone.ca/coloursdeta/139.html"
      }
    ],
    "range": null,
    "kind": "project",
    "projectIds": [
      1
    ],
    "source": "Guava technical information · density 2.44 g/cm³",
    "url": "https://www.adamstonetech.com/web/content/23465?download=true&unique=d8c0fe799d1e6d8a532fb450c14981ec63e767c0",
    "color": "#eae5d8",
    "vein": "cool",
    "identityNote": "Exact slab and batch not verified.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "evidenceClass": "published-brand-reference",
    "manualDensity": false
  },
  {
    "code": "TCE2051",
    "name": "TCE2051 · Calacatta Venato",
    "density": 2400,
    "densityStatus": "Estimate · historical TCE family range",
    "densityNote": "Calculation estimate: 2,400 kg/m³. TCE Oceania’s 2018 SDS publishes 2,188–2,405 kg/m³ for its product family. The Canadian product sheet does not state density; this estimate is not an exact value for this colour or slab.",
    "sources": [
      {
        "label": "TCE Oceania SDS · 2018 · density range, p. 4",
        "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf"
      },
      {
        "label": "TCE Canada · product identity, no density",
        "url": "https://tcestone.com/products/tce-2051-calacatta-venato/"
      },
      {
        "label": "TCE Canada product information · no density stated",
        "url": "https://tcestone.com/wp-content/uploads/2024/03/TCE-quartz-product-informaiton.pdf"
      }
    ],
    "range": [
      2188,
      2405
    ],
    "rangeLabel": "Historical Oceania family reference (Canada applicability unconfirmed)",
    "kind": "project",
    "projectIds": [
      2,
      13
    ],
    "source": "TCE Oceania SDS · 2018 · density range, p. 4",
    "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf",
    "color": "#eae5d8",
    "vein": "cool",
    "identityNote": "Product name verified in the Canadian catalogue; current Canadian formulation and slab density remain unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "evidenceClass": "brand-range-estimate",
    "manualDensity": false
  },
  {
    "code": "AGQ9695",
    "name": "AGQ9695",
    "density": 2440,
    "densityStatus": "Published Guava brand reference",
    "densityNote": "Guava’s technical information reports 2.44 g/cm³ (ASTM C97), equivalent to 2,440 kg/m³. This published brand reference is not a measurement of this individual product code or slab.",
    "sources": [
      {
        "label": "Guava technical information · density 2.44 g/cm³",
        "url": "https://www.adamstonetech.com/web/content/23465?download=true&unique=d8c0fe799d1e6d8a532fb450c14981ec63e767c0"
      },
      {
        "label": "Adamstone / Guava · product catalogue",
        "url": "https://adamstone.ca/coloursdeta/27.html"
      }
    ],
    "range": null,
    "kind": "project",
    "projectIds": [
      3
    ],
    "source": "Guava technical information · density 2.44 g/cm³",
    "url": "https://www.adamstonetech.com/web/content/23465?download=true&unique=d8c0fe799d1e6d8a532fb450c14981ec63e767c0",
    "color": "#eae5d8",
    "vein": "cool",
    "identityNote": "Exact slab and batch not verified. AGQ9695 has conflicting design names in catalogues, so the original code is retained.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "evidenceClass": "published-brand-reference",
    "manualDensity": false
  },
  {
    "code": "Caesarstone 4043 Primordia",
    "name": "Caesarstone 4043 Primordia",
    "density": 2300,
    "densityStatus": "Estimate · Caesarstone family mass data",
    "densityNote": "Calculation estimate: 2,300 kg/m³. Caesarstone’s UK family data gives 43–48 kg/m² for 20 mm slabs, equivalent to 2,150–2,400 kg/m³ using density = areal mass ÷ thickness. This family range is not a measured density for 4043 Primordia. The Canadian technical manual’s ≥2,100 kg/m³ is a lower limit, not an exact value.",
    "sources": [
      {
        "label": "Caesarstone UK · slab dimensions and areal mass",
        "url": "https://www.caesarstone.co.uk/design-and-specification/"
      },
      {
        "label": "Caesarstone Canada · technical manual, density lower limit only",
        "url": "https://www.caesarstone.ca/wp-content/uploads/sites/5/2023/01/Ceasarstone_CS_TechnicalDataManual-5.pdf"
      },
      {
        "label": "Caesarstone Canada · 4043 Primordia identity",
        "url": "https://www.caesarstone.ca/collections-gallery/4043-primordia/"
      }
    ],
    "range": [
      2150,
      2400
    ],
    "rangeLabel": "20 mm family mass reference ÷ 0.020 m",
    "kind": "project",
    "projectIds": [
      4
    ],
    "source": "Caesarstone UK · slab dimensions and areal mass",
    "url": "https://www.caesarstone.co.uk/design-and-specification/",
    "color": "#eae5d8",
    "vein": "cool",
    "identityNote": "4043 Primordia identity confirmed by the owner; actual slab density remains unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "evidenceClass": "brand-range-estimate",
    "manualDensity": false
  },
  {
    "code": "TCE4047",
    "name": "TCE4047 · Bianco Oro",
    "density": 2400,
    "densityStatus": "Estimate · historical TCE family range",
    "densityNote": "Calculation estimate: 2,400 kg/m³. TCE Oceania’s 2018 SDS publishes 2,188–2,405 kg/m³ for its product family. The Canadian product sheet does not state density; this estimate is not an exact value for this colour or slab.",
    "sources": [
      {
        "label": "TCE Oceania SDS · 2018 · density range, p. 4",
        "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf"
      },
      {
        "label": "TCE Canada · product identity, no density",
        "url": "https://tcestone.com/products/tce-4047-bianco-oro/"
      },
      {
        "label": "TCE Canada product information · no density stated",
        "url": "https://tcestone.com/wp-content/uploads/2024/03/TCE-quartz-product-informaiton.pdf"
      }
    ],
    "range": [
      2188,
      2405
    ],
    "rangeLabel": "Historical Oceania family reference (Canada applicability unconfirmed)",
    "kind": "project",
    "projectIds": [
      5,
      8,
      10
    ],
    "source": "TCE Oceania SDS · 2018 · density range, p. 4",
    "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf",
    "color": "#eae5d8",
    "vein": "gold",
    "identityNote": "Product name verified in the Canadian catalogue; current Canadian formulation and slab density remain unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "evidenceClass": "brand-range-estimate",
    "manualDensity": false
  },
  {
    "code": "Q6118",
    "name": "Q6118 · Bianco Thunder (catalogue match)",
    "density": 2400,
    "densityStatus": "Estimate · comparable quartz",
    "densityNote": "Calculation estimate: 2,400 kg/m³. No density for this product code was verified. Group Italy publishes 2,400–2,500 kg/m³ for its own quartz; that unrelated producer is a comparison only, not a specification for this material.",
    "sources": [
      {
        "label": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
        "url": "https://groupitaly.com/quality/"
      },
      {
        "label": "Q6118 Bianco Thunder — KSTONE Quartz · identity only",
        "url": "https://kstonequartz.com/collection/kstone-quartz-countertop/q6118-bianco-thunder/"
      },
      {
        "label": "Quartz Collection — FirStone · identity only",
        "url": "https://www.fir-stone.com/quartz-collection/"
      }
    ],
    "range": [
      2400,
      2500
    ],
    "kind": "project",
    "projectIds": [
      6
    ],
    "source": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
    "url": "https://groupitaly.com/quality/",
    "color": "#eae5d8",
    "vein": "cool",
    "identityNote": "Exact product code/name on a primary supplier page; actual project supplier/brand still requires invoice or slab-label confirmation.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "rangeLabel": "Other-brand comparison scenario (not this product’s range)",
    "evidenceClass": "quartz-proxy",
    "manualDensity": false
  },
  {
    "code": "TCE1220",
    "name": "TCE1220 · Carrara Velo",
    "density": 2400,
    "densityStatus": "Estimate · historical TCE family range",
    "densityNote": "Calculation estimate: 2,400 kg/m³. TCE Oceania’s 2018 SDS publishes 2,188–2,405 kg/m³ for its product family. The Canadian product sheet does not state density; this estimate is not an exact value for this colour or slab.",
    "sources": [
      {
        "label": "TCE Oceania SDS · 2018 · density range, p. 4",
        "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf"
      },
      {
        "label": "TCE Canada · product identity, no density",
        "url": "https://tcestone.com/products/tce-1220-carrara-velo/"
      },
      {
        "label": "TCE Canada product information · no density stated",
        "url": "https://tcestone.com/wp-content/uploads/2024/03/TCE-quartz-product-informaiton.pdf"
      }
    ],
    "range": [
      2188,
      2405
    ],
    "rangeLabel": "Historical Oceania family reference (Canada applicability unconfirmed)",
    "kind": "project",
    "projectIds": [
      7,
      14
    ],
    "source": "TCE Oceania SDS · 2018 · density range, p. 4",
    "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf",
    "color": "#eae5d8",
    "vein": "cool",
    "identityNote": "Product name verified in the Canadian catalogue; current Canadian formulation and slab density remain unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "evidenceClass": "brand-range-estimate",
    "manualDensity": false
  },
  {
    "code": "TP2534",
    "name": "TP2534 · Calcutta Gold Mist",
    "density": 2400,
    "densityStatus": "Estimate · comparable quartz",
    "densityNote": "Calculation estimate: 2,400 kg/m³. No density for this product code was verified. Group Italy publishes 2,400–2,500 kg/m³ for its own quartz; that unrelated producer is a comparison only, not a specification for this material.",
    "sources": [
      {
        "label": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
        "url": "https://groupitaly.com/quality/"
      },
      {
        "label": "Model TP2534 — TopIDEAL Wholesale · identity only",
        "url": "https://topideal.ca/productstp2534"
      },
      {
        "label": "Products — TopIDEAL Wholesale · identity only",
        "url": "https://topideal.ca/products"
      }
    ],
    "range": [
      2400,
      2500
    ],
    "kind": "project",
    "projectIds": [
      9
    ],
    "source": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
    "url": "https://groupitaly.com/quality/",
    "color": "#eae5d8",
    "vein": "gold",
    "identityNote": "Exact code/name on primary importer product page; quartz class confirmed by primary product-list heading.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "rangeLabel": "Other-brand comparison scenario (not this product’s range)",
    "evidenceClass": "quartz-proxy",
    "manualDensity": false
  },
  {
    "code": "TCE4033",
    "name": "TCE4033 · Winter Whisper",
    "density": 2400,
    "densityStatus": "Estimate · historical TCE family range",
    "densityNote": "Calculation estimate: 2,400 kg/m³. TCE Oceania’s 2018 SDS publishes 2,188–2,405 kg/m³ for its product family. The Canadian product sheet does not state density; this estimate is not an exact value for this colour or slab.",
    "sources": [
      {
        "label": "TCE Oceania SDS · 2018 · density range, p. 4",
        "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf"
      },
      {
        "label": "TCE Canada · product identity, no density",
        "url": "https://tcestone.com/products/tce-4033-winter-whisper/"
      },
      {
        "label": "TCE Canada product information · no density stated",
        "url": "https://tcestone.com/wp-content/uploads/2024/03/TCE-quartz-product-informaiton.pdf"
      }
    ],
    "range": [
      2188,
      2405
    ],
    "rangeLabel": "Historical Oceania family reference (Canada applicability unconfirmed)",
    "kind": "project",
    "projectIds": [
      11
    ],
    "source": "TCE Oceania SDS · 2018 · density range, p. 4",
    "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf",
    "color": "#eae5d8",
    "vein": "cool",
    "identityNote": "Product name verified in the Canadian catalogue; current Canadian formulation and slab density remain unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "evidenceClass": "brand-range-estimate",
    "manualDensity": false
  },
  {
    "code": "TP6610",
    "name": "TP6610 · TAJ Mahal (quartz)",
    "density": 2400,
    "densityStatus": "Estimate · comparable quartz",
    "densityNote": "Calculation estimate: 2,400 kg/m³. No density for this product code was verified. Group Italy publishes 2,400–2,500 kg/m³ for its own quartz; that unrelated producer is a comparison only, not a specification for this material.",
    "sources": [
      {
        "label": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
        "url": "https://groupitaly.com/quality/"
      },
      {
        "label": "Products — TopIDEAL Wholesale · identity only",
        "url": "https://topideal.ca/products"
      }
    ],
    "range": [
      2400,
      2500
    ],
    "kind": "project",
    "projectIds": [
      12
    ],
    "source": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
    "url": "https://groupitaly.com/quality/",
    "color": "#eae5d8",
    "vein": "gold",
    "identityNote": "Exact code/name confirmed in primary importer product list. No dedicated TP6610 technical sheet verified.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "rangeLabel": "Other-brand comparison scenario (not this product’s range)",
    "evidenceClass": "quartz-proxy",
    "manualDensity": false
  },
  {
    "code": "Kasa2205",
    "name": "Kasa2205 · likely Kasa K2205",
    "density": 2400,
    "densityStatus": "Estimate · comparable quartz",
    "densityNote": "Calculation estimate: 2,400 kg/m³. No density for this product code was verified. Group Italy publishes 2,400–2,500 kg/m³ for its own quartz; that unrelated producer is a comparison only, not a specification for this material. The Kasa K2205 match is provisional; the drawing shorthand still needs confirmation.",
    "sources": [
      {
        "label": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
        "url": "https://groupitaly.com/quality/"
      },
      {
        "label": "K2205 — Kasa Quartz · identity only",
        "url": "https://en.kasaquartz.cn/product/255.html"
      },
      {
        "label": "K9-K1 Series Toronto catalog, page3 — Kasa Quartz · identity only",
        "url": "https://en.kasaquartz.cn/products_4/1503786912370606080-36-18.html"
      }
    ],
    "kind": "project",
    "projectIds": [
      5
    ],
    "source": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
    "url": "https://groupitaly.com/quality/",
    "color": "#eae5d8",
    "vein": "cool",
    "manualDensity": false,
    "identityNote": "Exact K2205 primary product entry found. Mapping shorthand Kasa2205 to K2205 is plausible and should be confirmed against project slab label.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "range": [
      2400,
      2500
    ],
    "rangeLabel": "Other-brand comparison scenario (not this product’s range)",
    "evidenceClass": "quartz-proxy"
  },
  {
    "code": "Y9006",
    "name": "Y9006 · quartz",
    "density": 2400,
    "densityStatus": "Estimate · comparable quartz",
    "densityNote": "Calculation estimate: 2,400 kg/m³. FirStone lists Y9006 as quartz but publishes no density. Quantum Stone’s separate quartz family range is a comparison only; it does not establish Y9006’s actual density.",
    "sources": [
      {
        "label": "Quantum Stone · comparison range 2.10–2.45 g/cm³",
        "url": "https://quantumstone.ca/technicalspecifications/"
      },
      {
        "label": "FirStone · Y9006 quartz identity, no density",
        "url": "https://www.fir-stone.com/product/y9006/"
      }
    ],
    "kind": "project",
    "projectIds": [
      10
    ],
    "source": "Quantum Stone · comparison range 2.10–2.45 g/cm³",
    "url": "https://quantumstone.ca/technicalspecifications/",
    "color": "#eae5d8",
    "vein": "cool",
    "manualDensity": false,
    "identityNote": "Y9006 occurs in more than one supplier catalogue; the job’s supplier and batch remain unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "range": [
      2100,
      2450
    ],
    "rangeLabel": "Other-brand comparison scenario (not a Y9006 specification)",
    "evidenceClass": "quartz-proxy"
  },
  {
    "code": "TCE8003",
    "name": "TCE8003 · Icy Mist",
    "density": 2400,
    "densityStatus": "Estimate · historical TCE family range",
    "densityNote": "Calculation estimate: 2,400 kg/m³. TCE Oceania’s 2018 SDS publishes 2,188–2,405 kg/m³ for its product family. The Canadian product sheet does not state density; this estimate is not an exact value for this colour or slab.",
    "sources": [
      {
        "label": "TCE Oceania SDS · 2018 · density range, p. 4",
        "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf"
      },
      {
        "label": "TCE Canada · product identity, no density",
        "url": "https://tcestone.com/products/tce-8003-icy-mist/"
      },
      {
        "label": "TCE Canada product information · no density stated",
        "url": "https://tcestone.com/wp-content/uploads/2024/03/TCE-quartz-product-informaiton.pdf"
      }
    ],
    "kind": "project",
    "projectIds": [
      11
    ],
    "source": "TCE Oceania SDS · 2018 · density range, p. 4",
    "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf",
    "color": "#eae5d8",
    "vein": "cool",
    "manualDensity": false,
    "identityNote": "Product name verified in the Canadian catalogue; current Canadian formulation and slab density remain unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "range": [
      2188,
      2405
    ],
    "rangeLabel": "Historical Oceania family reference (Canada applicability unconfirmed)",
    "evidenceClass": "brand-range-estimate"
  },
  {
    "code": "Marble-Green",
    "name": "Marble-Green · unidentified green stone",
    "density": 2699,
    "densityStatus": "Estimate · generic marble proxy",
    "densityNote": "Provisional marble scenario: 2,699 kg/m³, taken from Polycor’s aggregate marble-countertop EPD. “Marble-Green” does not identify a quarry, product or mineral composition. This proxy is not a verified density of the green stone in the drawing.",
    "sources": [
      {
        "label": "Polycor marble-countertop EPD · aggregate density 2,699 kg/m³",
        "url": "https://www.polycor.com/wp-content/uploads/2023/03/EPD_Marble-Countertops.pdf"
      }
    ],
    "kind": "project",
    "projectIds": [
      14
    ],
    "source": "Polycor marble-countertop EPD · aggregate density 2,699 kg/m³",
    "url": "https://www.polycor.com/wp-content/uploads/2023/03/EPD_Marble-Countertops.pdf",
    "color": "#eae5d8",
    "vein": "cool",
    "manualDensity": false,
    "identityNote": "Exact green-stone identity and geology unresolved; replace this proxy when supplier data is available.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "range": null,
    "evidenceClass": "marble-proxy"
  },
  {
    "code": "TCE4046",
    "name": "TCE4046 · Statuario Grigio",
    "density": 2400,
    "densityStatus": "Estimate · historical TCE family range",
    "densityNote": "Calculation estimate: 2,400 kg/m³. TCE Oceania’s 2018 SDS publishes 2,188–2,405 kg/m³ for its product family. The Canadian product sheet does not state density; this estimate is not an exact value for this colour or slab.",
    "sources": [
      {
        "label": "TCE Oceania SDS · 2018 · density range, p. 4",
        "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf"
      },
      {
        "label": "TCE Canada · product identity, no density",
        "url": "https://tcestone.com/products/tce-4046-statuario-grigio/"
      },
      {
        "label": "TCE Canada product information · no density stated",
        "url": "https://tcestone.com/wp-content/uploads/2024/03/TCE-quartz-product-informaiton.pdf"
      }
    ],
    "kind": "project",
    "projectIds": [
      14
    ],
    "source": "TCE Oceania SDS · 2018 · density range, p. 4",
    "url": "https://tcestone.com.au/wp-content/uploads/2018/11/TCE-STONE-MSDS.pdf",
    "color": "#eae5d8",
    "vein": "cool",
    "manualDensity": false,
    "identityNote": "Product name verified in the Canadian catalogue; current Canadian formulation and slab density remain unconfirmed.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "range": [
      2188,
      2405
    ],
    "rangeLabel": "Historical Oceania family reference (Canada applicability unconfirmed)",
    "evidenceClass": "brand-range-estimate"
  },
  {
    "code": "Q6174",
    "name": "Q6174 · quartz",
    "density": 2400,
    "densityStatus": "Estimate · comparable quartz",
    "densityNote": "Calculation estimate: 2,400 kg/m³. No density for this product code was verified. Group Italy publishes 2,400–2,500 kg/m³ for its own quartz; that unrelated producer is a comparison only, not a specification for this material.",
    "sources": [
      {
        "label": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
        "url": "https://groupitaly.com/quality/"
      },
      {
        "label": "Q6174 — FirStone · identity only",
        "url": "https://www.fir-stone.com/product/q6174/"
      },
      {
        "label": "FAQ — FirStone · identity only",
        "url": "https://www.fir-stone.com/faq/"
      }
    ],
    "kind": "project",
    "projectIds": [
      14
    ],
    "source": "Group Italy / Qolors · comparison quartz range 2.4–2.5 g/cm³",
    "url": "https://groupitaly.com/quality/",
    "color": "#eae5d8",
    "vein": "cool",
    "manualDensity": false,
    "identityNote": "Exact code and material class confirmed by primary supplier product page; no named finish/design identity beyond code.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "range": [
      2400,
      2500
    ],
    "rangeLabel": "Other-brand comparison scenario (not this product’s range)",
    "evidenceClass": "quartz-proxy"
  },
  {
    "code": "BQ6716",
    "name": "BQ6716 · Vitoria Regia",
    "density": 2200,
    "densityStatus": "Estimate · Vicostone family range",
    "densityNote": "Calculation estimate: 2,200 kg/m³, the midpoint of Vicostone’s published apparent-density family range of 2.1–2.3 g/cm³ (2,100–2,300 kg/m³). The manufacturer lists BQ6716 as Vitoria Regia, but its generic technical sheet does not give a code-specific density.",
    "sources": [
      {
        "label": "Vicostone technical specifications · apparent density 2.1–2.3 g/cm³",
        "url": "https://vicostone.com/-/media/downloads/vicostone-technical-specifications.pdf"
      },
      {
        "label": "Vicostone · BQ6716 Vitoria Regia identity",
        "url": "https://prosite.vicostone.com/quartz-stone/bq6716"
      }
    ],
    "kind": "project",
    "projectIds": [
      14
    ],
    "source": "Vicostone technical specifications · apparent density 2.1–2.3 g/cm³",
    "url": "https://vicostone.com/-/media/downloads/vicostone-technical-specifications.pdf",
    "color": "#eae5d8",
    "vein": "cool",
    "manualDensity": false,
    "identityNote": "Official product identity verified; density remains a family-based estimate, not a batch test.",
    "checkedDate": "2026-10-24",
    "exactProductDensityVerified": false,
    "range": [
      2100,
      2300
    ],
    "rangeLabel": "Vicostone published family range",
    "evidenceClass": "brand-range-estimate"
  }
]