Rock crystal

Wonderful super-sized  natural crystals from Brazil. These giant crystal clusters weight up to several kilograms and are up to 35 cm long.

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Quartz with Arsenopyrite
Panasqueira Mine, Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal

Item-No.: MIN5436
Price: 61.44 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brazil

Item-No.: MIN5568
Price: 275.20 USD 
Rock crystal
Doce Valey, Minas Gerais, Brazil

Item-No.: MIN5915
Price: 403.20 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: MIN1583
Price: 435.20 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: MIN1586
Price: 578.56 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 7959
Price: 234.24 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1796
Price: 625.92 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1797
Price: 1086.72 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1799
Price: 232.96 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1800
Price: 353.28 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1803
Price: 190.72 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1805
Price: 382.72 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1808
Price: 976.64 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1810
Price: 885.76 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1812
Price: 158.72 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1814
Price: 222.72 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1816
Price: 883.20 USD 
Rock crystal
Santa Rosa, Minas Gerais, Brasilien

Item-No.: 1822
Price: 636.16 USD 
Rock crystal with chalkopyrite
Cavnic, Romania

Item-No.: 0300086
Price: 204.80 USD 
Rock crystal with chalkopyrite
Cavnic, Romania

Item-No.: 0300081
Price: 115.20 USD 

Synonyms:  Rock Crystal, Alaska Diamond, Mountain Crystal, Unripe Diamond, Vallum Diamond
Variety of:  Quartz
Classification:  Oxides
Chemical formula:  SiO2
Crystal system:  Trigonal
Density (g/cm3):  2,65
Tenacity:  Brittle
Cleavage:  none
Fracture:  Conchoidal
Hardness (Mohs):  7
Colour:  A transparent colourless variety of quartz
Lustre:  Vitreous
Streak:  White
Application:  famous as a semi precious jewelry stone, optical industry

 


 

 

 
 
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: mail@topgeo.com