| Topaz
 Schneckenstein, Erzgebirge Mts., Saxony, Germany
Item-No.: MINS543
Price: 30.00 EUR
|
| Topaz
Schneckenstein, Erzgebirge Mts., Saxony, Germany
Item-No.: MINS612
Price: 33.00 EUR
|
| Topaz
Volodar Volinsky, Ukraine
Item-No.: MINS158
Price: 29.00 EUR
|
| Topaz
Volodar Volinsky, Ukraine
Item-No.: MINS161
Price: 24.00 EUR
|
| Topaz Cherry
Thomas Ranch, Utah, USA
Item-No.: 0300031
Price: 78.00 EUR
|
| Topaz Var. Pyknite
Altenberg, Erzgebirge Mts., Saxony, Germany
Item-No.: MINS1025
Price: 62.00 EUR
|
| Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic
Item-No.: MINS830
Price: 26.00 EUR
|
| Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic
Item-No.: MINS741
Price: 43.00 EUR
|
| Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic
Item-No.: MINS1010
Price: 12.00 EUR
|
| Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic
Item-No.: MIN0145
Price: 32.00 EUR
|
| Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic
Item-No.: MIN0146
Price: 67.00 EUR
|
| Topaz, Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic
Item-No.: 0300035
Price: 45.00 EUR
|
| Synonyms: |
Chrysolithos, Physalite, Pyrophysalite |
| Variety of Topaz: |
Piknite |
| Classification: |
Silicates, Nesosilicates |
| Chemical formula: |
Al2(SiO4)(F,OH)2 |
| Crystal system: |
Orthorhombic |
| Density (g/cm3): |
3,4 - 3,6 measured |
| Tenacity: |
Brittle |
| Cleavage: |
Perfect on (001) |
| Fracture: |
Irregular/Uneven, Sub-Conchoidal |
| Hardness (Mohs): |
8 |
| Colour: |
Colourless, white, pale blue, light green, yellow, yellowish brown, or red |
| Lustre: |
Vitreous |
| Streak: |
White |
| Application: |
Gemstone and abrasive |
|
