Optical Calcite Chunk crystal 5–20 cm) — Peace

5–20 cm) — Peace

(1) of EACH LARGE GENERATORS SHOWN

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(1 pc) RUBY ZOISITE - Passion

(100 grams) MINI GEMSTONES

Optical Calcite Chunk crystal 5–20 cm) — PeaceWHAT IS OPTICAL CALCITE? Optical calcite is a carbonate mineral. It is also known as Iceland Spar and some historians believe it was also known as Sunstone. Optical calcite is double refractive, meaning objects appearing through it will look as though they are in two places at once. The largest found single crystal of calcite has the weight at 250 tons. WHY IT'S AWESOME? Lost at sea? Stories tell of Vikings using Optical Calcite as a navigator because