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A few very beautiful small black sphenes provide a nice contrast to the green diopside and the white calcite on this small specimen
A white tipped tanzanite with some very good clarity and excellent luster
It has partially smooth side faces with excellent luster
Ein sehr guter
crystal clear with excellent gloss and excellent end/side surfaces
Sapphirine quartz A few very beautiful smallArguably the world's best sapphirine crystals currently come from southern Madagascar. These black crystals are characterized by sharp edges and attractively textured surfaces. They are embedded in the matrix with white anorthosite, which provides an attractive contrast to the crystals and the dark matrix of biotite, anorthosite, and sillimanite. First unveiled in Tucson in 2024, these pieces often command four figure prices on the market. As a
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