Sunstone

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Sunstone is a gem-quality member of the feldspar group of minerals.Sunstone can often be identified by its glittery aventurescence alone, but it can sometimes be confused with other aventurescent gems such as aventurine quartz, or even other similar feldspars, such as orthoclase moonstone. It may also be confused with goldstone, an artificial aventurescent Italian glass with copper inclusions. Sunstone is typically red-brown in body color with a metallic shimmering effect caused by tiny platelets of hematite, goethite or pyrite. The sunstone from Oregon, USA, shimmers due to copper inclusions. Sunstone schiller usually results in a gold, red, orange or yellow shimmer, but occasionally, it can also occur green or blue.Sunstone is typically translucent to opaque, although some very fine materials can occur highly transparent. Sunstone is famed for its sparkling inclusions. It is the presence of these inclusions that are responsible for its attractive schiller or aventurescence. When cut and polished, sunstone has a vitreous luster, which is often described as sparkling.

  • Mohs scale hardness- 6 to 6.5
  • Origin- India, Canada, Madagascar, Norway, Russia and the USA (Oregon, Pennsylvania, North Carolina and Utah). 
Source: Wikipedia 

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