Phenakite, Quartz, Dolomite, Chalcopyrite, Schorl

Specimen ID: C9A-38U

Mineral(s)
Phenakite : Be2SiO4
Quartz : SiO2
Dolomite : CaMg(CO3)2
Chalcopyrite : CuFeS2
Schorl : Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Locality
Mindat locality:
Collections
Collected by:
Events

Photo added to mindat.org

Slightly yellowish looking prismatic phenakite crystal (twinned) - seen in the picture center covered by some dolomite crystals at the base. At the right end bottom end of the vug are some compact Schorl crystals. At the top of the vug is some chalcopyrite and to the left and right some associated quartz is visible. Though tiny this specimen was the best find I had at Wheal Edward until now. I initially picked it up on the dumps for the dolomite crystals and was later pleasantly surprised by the phenakite on it.
Holger Klapproth - 25th July 2015
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