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Topaz

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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

 


 

 

 
 
TOPGEO Mineralienhandel GmbH
Dr. Petr Zajicek
Commercial register:
HRB 671194 Amtsgericht Ulm
VAT-Id: DE147815490
Gersbach 10
74589 Satteldorf
Germany
Telephone: +49 7950 1345
Telefax: +49 7950 8483
eMail: topgeo.gmbh@t-online.de | mail@topgeo.com
  

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