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the specimens from the Knappenwand are too dark to see any color
caddisfly (Trichoptera)
The majority of the specimens were mined in the mid-1800s and
This mine at Oruro dates Spanish mining as far back as the year 1595 and was mined by Incan Indians for several centuries prior
Specimen # PAKAFG61335
Dioptase on Calcite Brookite the specimens from the KnappenwandWhen it comes to Dioptase, there is no locality greater or more prolific than Tsumeb for quantity and quality. The finest Tsumeb Dioptase specimens are simply breathtaking, and now in very short supply on the market. This specimen exhibits the top emerald green color (impossible to replicate in photos) that made these specimens so famous. Sharp, very lustrous, well formed, trigonal crystals sit beautifully in a crystallized "ridge" on classic
