Moonstone is possibly the most well-known gem-quality member of the feldspar group due to its delicate beauty and extensive history.
Feldspars are among of the most abundant and diversified minerals in the earth's crust. Pick up a rock anywhere in the globe, and it will almost certainly include a mineral or two from the feldspar group.
https://www.cabochonsforsale.c....om/gemstone/moonston
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