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About Smoky Quartz

A smoky-grey, brown to black variety of quartz that owes its colour to gamma irradiation and the presence of traces of aluminium built into its crystal lattice.
The colour of smoky quartz is sensitive to heat and will pale at temperatures above 200-300°C. This loss of colour can be reverted by gamma irradiation of the crystals.


Smoky quartz can be found in many different environments but is most characteristic for pockets in igneous rocks and pegmatites.

Facts:

  • Mohs hardness: 7
  • Mineral: Quartz
A smoky-grey, brown to black variety of quartz that owes its colour to gamma irradiation and the presence of traces of aluminium built into its crystal lattice. The colour of smoky quartz is... read more »
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About Smoky Quartz

A smoky-grey, brown to black variety of quartz that owes its colour to gamma irradiation and the presence of traces of aluminium built into its crystal lattice.
The colour of smoky quartz is sensitive to heat and will pale at temperatures above 200-300°C. This loss of colour can be reverted by gamma irradiation of the crystals.


Smoky quartz can be found in many different environments but is most characteristic for pockets in igneous rocks and pegmatites.

Facts:

  • Mohs hardness: 7
  • Mineral: Quartz
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E00B0508-807R_Rauchquarz Smoky quartz, brown, teardrop, smooth, onion...
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E00B0508-806R_Rauchquarz Smoky quartz, brown, teardrop, smooth, onion...
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E00B0429-012R_Rauchquarz Smoky quartz, brown, teardrop, trillion,...
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00447_Rauchquarz Smoky quartz, brown, teardrop, trillion,...
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E00B0429-010R_Rauchquarz Smoky quartz, brown, teardrop, faceted,...
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E00B0429-009R_Rauchquarz Smoky quartz, brown, teardrop, faceted,...
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E00B0429-006R_Rauchquarz Smoky quartz, brown, teardrop, faceted, twist...
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E00B0422-10R_Rauchquarz Smoky quartz, brown, teardrop, faceted,...
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E00B0429-007R_Rauchquarz Smoky quartz, brown, pointed teardrop, faceted,...
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035250_Rauchquarz Smoky quartz, brown, teardrop, smooth, 15x12 mm
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016324_Rauchquarz Smoky quartz, brown, olive shape, faceted,...
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036484_Rauchquarz Smoky quartz, brown, oval, faceted, diverse sizes
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