Rock crystal
is the most pure and clear variety of Quartz. The Rock Crystal has already being well known and used 3.800 years b.c. in ancient Babylon. The name is derived from Latin word “crystallus”. The most pure and best crystallized Rock Crystals attends hydrothermal clefts and veins, pegmatites dikes, fills the cavities in SiO2–reach volcanic rocks e.i. Rhyolite, and also grows in sedimentary geodes. Today the biggest aggregates of Rock Crystals coming out of Minas Gerais in Brazil, the most transparent and clear ones can be found within Alps mountains in Europe.
Crystal Double Terminated
Item-No.: 6979 Price: 23.00 EUR
China
Quartz with Arsenopyrite
Item-No.: MIN5436 Price: 48.00 EUR
Panasqueira Mine, Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal
Rock Crystal
Item-No.: MIN0385 Price: 468.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock Crystal
Item-No.: MIN0395 Price: 1257.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock Crystal
Item-No.: MIN0396 Price: 286.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock Crystal
Item-No.: MIN0397 Price: 386.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock Crystal
Item-No.: MIN0398 Price: 1799.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock Crystal
Item-No.: MIN0399 Price: 1870.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock Crystal
Item-No.: MIN0390 Price: 110.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 7959 Price: 183.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1796 Price: 489.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1797 Price: 849.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1799 Price: 182.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1803 Price: 149.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1805 Price: 299.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1808 Price: 763.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1810 Price: 692.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1812 Price: 124.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1814 Price: 174.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: 1822 Price: 497.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN5568 Price: 215.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN5915 Price: 315.00 EUR
Doce Valey, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN1583 Price: 340.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0377 Price: 340.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0378 Price: 109.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0382 Price: 82.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0383 Price: 228.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0386 Price: 155.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0387 Price: 316.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0388 Price: 299.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal
Item-No.: MIN0391 Price: 100.00 EUR
Santa Rosa, Minas Gerais, Brazil
Rock crystal with chalkopyrite
Item-No.: 0300086 Price: 160.00 EUR
Cavnic, Romania
| 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 |