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| 56 guides found for diamond mining  | - Labradorite, Andesine, Sunstone, etc: the Feldspar Gems
- by rocksupper
( 916 )    - Amazonite, Andesine, Moonstone, Oregon Sunstone, Labradorite, Oligoclase, Orthoclase and Sanidine*are rare, and often quite valuable, gems from the feldspar family of minerals. Feldspar itself is extremely...
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