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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Weight: 628 grams (total)
The top has been polished on its faces but the sides are all natural with very nice striations and etchings
The structures were empty tubes
Thulite Ring Size 8
Weight: 142 grams
357g Optical Calcite Freeform TC2009 ruby zoisite Weight: 628 grams (total)357g Optical Calcite Freeform Approx. Dimensions: 2. 5x2x2. 5 inches Approx. Weight: 357 grams Locality: Maharashtra, India Optical calcite is also referred to as Iceland Spar because of its first discovery in Eskifjord, Iceland. It is typically colorless, and exhibits the optical phenomenon of double refraction where an object viewed through the calcite will appear doubled. Double refraction, or birefraction, is also called birefringence and is also
