| Name: | Topaz Tpz |
| Specimens in Collection: |  #507: Topaz var. Pink Imperial Ouro Preto, Minas Gerais, Brazil  #396: Topaz var. Imperial Ouro Preto, Minas Gerais, Brazil  #281: Topaz var. Purple Imperial Ouro Preto, Minas Gerais, Brazil  #61: Topaz Thomas Range, Utah, USA  #374: Topaz var. Imperial Zambia  #92: Bixbyite/Topaz Solar Wind Claim, Thomas Range, Juab County, Utah, USA  #443: Topaz Schneckenstein Cliff, Schneckenstein, Tannenbergsthal, Muldenhammer, Vogtlandkreis, Saxony, Germany  #1513: Topaz var. Imperial Ouro Preto, Minas Gerais, Brazil  #1539: Topaz var. Imperial Ouro Preto, Brazil |
| IMA Chemistry: | Al2SiO4F2 |
| Chemistry Elements: | The mineral Topaz contains elements: Aluminum (Al) Silicon (Si) Oxygen (O) Fluorine (F) |
| Country of Type Locality: | unknown |
| Year First Published: | 0 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | A mineral name that predates its formal definition. For instance: Pliny [translated by Hardouin, 1685] (77) Topazion, in Caii Plinii secundi Naturalis historiae libri XXXVII interpretatione et notis illustravit Joannes Harduinus in usum Delphini, Franciscum Muguet (Paris) 364-364 Formal definition: Henkel J F (1737) De topasio vera Saxonum, orientali non inferiore, Acta Physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum 4, 316-320 |
| Structural Group Name: | Topaz |
| Fleischer's Group Name: | |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 3077 Million Years Ago |
| Mohs Hardness: | 8.0 |
| Diaphaneity: | 3.0 |
| Specific Gravity: | 3.53 |
| Dispersion: | 0.014 |
| More Info: | Search Wikipedia: Topaz (Wiki) Search Mindat: Topaz Search Web Mineral DB: Topaz |