58.3ct Natural Alexandrite Crystal uruguay This Calcite specimen has large

This Calcite specimen has large spikey crystals covering almost the entire matrix

Weight: 416g

This opal has been polished on all sides and is a solid opal

Measurement: 43mm x 16

58.3ct Natural Alexandrite Crystal uruguay This Calcite specimen has largeThis gorgeous Alexandrite crystal has a beautiful crystal structure and very deep green body color. While the crystals from this locality generally appear almost black in normal lighting, they are fairly gemmy in certain areas and will show a color change of green (fluorescent light) to red (incandescent light) when the crystal is back lit. A very cool specimen. Locality: Novello Claim, Masvingo, Zimbabwe Measurement: 24mm x 18. 9mm x 16. 4mm Weight: