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A very gemmy Calcite specimen from the Iron mining area of Egremont, England. The Calcite is a fine twinned crystal absolutely colourless and gemmy with excellent luster.

While blue topaz and turquoise were once the most popular December birthstone options, a newer, more precious stone has become today’s premier choice: tanzanite.

December Birthstone – Tanzanite Gemstone

Magnificent untreated Tanzanite crystal - nice to see the "free form" of this

Beryl from Massachusetts

Beryl from Massachusetts

Haüyne & Augite - In den Dellen Quarries, Niedermendig, Mendig, Eifel Mountains, Germany

e-Rocks Mineral Auctions - Fine Minerals & Mineral Specimens for sale

Gemmy Fluorite crystals with purple centers on a limestone matrix. Stoneco Auglaize Quarry, Junction, Ohio, USA

fluorite on a limestone matrix / stoneco auglaize quarry, junction, ohio, usa