Topaz

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Topaz
Schneckenstein, Erzgebirge Mts., Saxony, Germany

Item-No.: MINS543
Price: 38.40 USD 
Topaz
Schneckenstein, Erzgebirge Mts., Saxony, Germany

Item-No.: MINS612
Price: 42.24 USD 
Topaz
Volodar Volinsky, Ukraine

Item-No.: MINS158
Price: 37.12 USD 
Topaz
Volodar Volinsky, Ukraine

Item-No.: MINS161
Price: 30.72 USD 
Topaz Cherry
Thomas Ranch, Utah, USA

Item-No.: 0300031
Price: 99.84 USD 
Topaz Var. Pyknite
Altenberg, Erzgebirge Mts., Saxony, Germany

Item-No.: MINS1025
Price: 79.36 USD 
Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic

Item-No.: MINS830
Price: 33.28 USD 
Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic

Item-No.: MINS741
Price: 55.04 USD 
Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic

Item-No.: MINS1010
Price: 15.36 USD 
Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic

Item-No.: MIN0145
Price: 40.96 USD 
Topaz Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic

Item-No.: MIN0146
Price: 85.76 USD 
Topaz Var. Pyknite, Zinnwaldite
Altenberg, Erzgebirge Mts., Saxony, Germany

Item-No.: MIN0147
Price: 364.80 USD 
Topaz, Var. Pyknite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic

Item-No.: 0300035
Price: 57.60 USD 

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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