69g Optical Calcite Freeform TC2127 moss agate 4" Colombian Lemurian

4" Colombian Lemurian

Give your sphere a proper place in your collection by adding a wooden sphere stand to your order

and it may display interesting banding patterns

the four yugas

25x1x1 inches

69g Optical Calcite Freeform TC2127 moss agate 4" Colombian Lemurian69g Optical Calcite Freeform Approx. Dimensions: 1x1x1. 5 inches Approx. Weight: 69 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