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or jewelry
I have a hard time passing up isopod morphs with mineral names
This specimen shows signs of natural etching that has left the tip of many of the dogtooth crystals blunted or hollow
The starbursts in the rhyolite are spherulites: minerals composed of dense radial needle-like growth from a point to create a sphere (hence "spher"ulite)
Hydroxyapophyllite with two large intersecting crystals Selenite or jewelryLocale: N'Chwaning II Mine, South Africa Approx dimensions: 2. 5 x 1. 75 x 1" Approx weight: 71g This specimen features hydroxyapophyllite crystals with lizardite and calcite on matrix. Properly called "hydroxyapophyllite (K)," hydroxyapophyllite is a variety of apophyllite that is typically colorless. It more frequently grows cubic crystals, but these specimens from the renowned N'Chwaning Mines region form tabular square crystals similar to
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