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Smoky quartz

 

 
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Smoky quartz
 
 
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Smoky quartz or Smokey quartz, also known as Cairngorm or Cairngormstone is a brown to black variety of quartzQuartz

Quartz is one of the most common minerals in the Earth's continental crust....
 caused through the natural (or artificial) irradiation of aluminium-containing rock crystal. A very dark brown to black opaque variety is known as morionMorion

Morion or morion quartz is a dark-brown to black opaque variety of smoky quartz resulting from the natural or artifici...
.

See also

  • List of mineralsList of minerals

    This is a List of minerals for which there are Wikipedia articles....


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