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from Racheous

Invitations to Explore with Rocks

1.03 CTS | Natural Pink Purple Sapphire | Loose Gemstone | Sri Lanka - New

feels that this is one of the rarest gemstones to ever come out of Mozambique. It has the power to move me when bright diffused natural light illuminates the gemstone. It tends to loose saturation in incandescent light, but it is still purple with purple flash.

from eBay

Details about World's Rarest & Largest Collector's Gem -26100cts -Super Swiss Blue Topaz - NR

World's Rarest & Largest Collector's Gem -26100cts -Super Swiss Blue Topaz - NR

Lightning Ridge Black Opal Pair Australia. Almost a matched pair, one a little larger (2.7 x 1.8 x 5cm) than the other. (2.4 x 1.6 x.6cm) Flashing irridescent blue.

Pentagonite is a rare silicate mineral with formula Ca(VO)Si4O10·4(H2O). It was named for the unusual twinning which produces an apparent five-fold symmetry. It is a dimorph of cavansite.