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jet-black cyclic twinned crystal group with unusual crystallization for the locality
Specimen # BROOK31906
Specimen #PREH3116
sharpness and translucency/gemminess sitting on wonderfully contrasting brownish Limonite with golden metallic underlain Pyrite
This small cabinet size specimen features excellent
Dolomite on sulfides Richard A. Kosnar jet-black cyclic twinned crystal groupA wonderful display specimen from the famous Black Cloud mine featuring razor sharp, vitreous rhombohedra of cream colored Dolomite some of which are oriented into spherical aggregates which are sitting atop black Sphalerite, silvery Galena and golden Pyrite matrix. Excellent quality and wonderful aesthetics. The Black Cloud Mine was one of the most famous specimen producing locales in Leadville and was one of the last operating mines in Colorado when
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