Smoky quartz

Smoky Crystal


Kamtschatka, Russia

Item-No.: 3792
Price: 120.00 EUR 

Smoky Quartz


Mooralla, Southern Grampians Shire, Victoria, Australia

Item-No.: MIN6045
Price: 65.00 EUR 

Smoky quartz


Jihlava , CZ

Item-No.: 6791
Price: 420.00 EUR 

Smoky quartz


Jihlava, CZ

Item-No.: 6798
Price: 370.00 EUR 

Smoky quartz


Jihlava, CZ

Item-No.: 6799
Price: 280.00 EUR 

Smoky quartz


Jihlava, CZ

Item-No.: 6801
Price: 450.00 EUR 

Smoky quartz


Přibyslavice near Velká Bíteš, Czech Republik

Item-No.: MINS1511
Price: 14.00 EUR 

Synonyms:  Cairngorm, Cairngorum Stone, Colorado Diamond, Quarzo affumicato, Smoky Topaz, Ouro Verde Quartz, Radium 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:   gray, brown, black
Lustre:  Vitreous
Streak:  White
Application:  famous as a semi precious jewelry stone