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The Gem Shop
This book tells the history and discovery of Montana Moss Agate by the first lapidaries
with moss agate and a vugg with druzy
which is approximately 5 mm thick
Chapter 4: When Geodes are Gems
BLT183 Black Tourmaline Rainbow Sapphire The Gem ShopBlack Tourmaline crystal. 2. 75" x 1. 75" x 3. 5" 1. 25 lb Black Tourmaline is also called Schorl, and accounts for ninety five percent of all Tourmaline in nature. It is black, or sometimes a deep blue that appears black. The term Schorl was in use before the 1400s, named for a town in Saxony, Germany, where Black Tourmaline was found in nearby tin mines. Black Tourmaline belongs to a complex family of aluminum borosilicate mixed with iron,
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