Smoke crystal is a class of color for the smoke gray, smoke yellow, yellow-brown, brown crystal varieties, to the color of uniform, no sheep, clear for the best. Smokey crystals originated in Scotland, and are mainly produced in Brazil, the United States, Africa and so on.
[Smoky crystal]
Chemical composition: SiO2
Structure: crystalline body
Crystal system: tripartite crystal system
Hardness: 7
Specific gravity: 2.640-2.690
Luster: glassy
Fracture: shell-like
Transparency: opaque-transparent
Refractive index: 1.544-1.553
Birefringence: 0.009
Color: smoky yellow, brown to black
Mineral composition: quartz smoky crystal is a solid solution and is a colloid.
[Origin].
The main places of origin of smoke crystal are Brazil, South America and Africa. China is also a large country producing crystals, the most production, the best quality, the origin of the first Jiangsu and Yunnan provinces. Tibet Autonomous Region is also rich in crystals, amethyst is more famous. Its color has grape purple, purple green, light purple, translucent to transparent, crystal cluster is larger; colorless crystals in Tibet also has a large number of reserves.
[Color].
Smoke crystal color is mainly smoke gray, smoke yellow, yellow-brown, brown, etc., as if smoked. To color uniform, no cotton, clear for the top grade.
❄️ [moral]
Smoke crystals are a national treasure of Scotland. Found in the Scottish Highlands the source is known as Cairngorm. according to folklore, quartz is a stone believed to attract positive things such as love. It is also believed to have the ability to help people achieve inner peace.
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