Sunstone is a gemstone in the feldspar group that exhibits schiller or sheen. It is known as aventurine feldspar when it displays large visible inclusions. On Mohs’ scale of hardness, sunstone ranks 6 to 6.5. While it is found in India, Canada, Madagascar, Russia (Siberia), and the United States, sources for the best sunstone include Tvedestrand and Hitero on the south coast of Norway.
Color
Rich golden or reddish-brown color with sparkling red and brown (and sometimes green or blue) inclusions.
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