Mindat locality:
10cm x 8cm x 5cm
Photo added to mindat.org
“Showy specimen of lustrous black sphalerite crystals up to 10 mm with gray spherical crystals of Mn-rich siderite up to 4 mm diameter. All are overgrown on matrix of 2-3 cm milky quartz crystals. Ex. Dr. E. Sensel collection #G893. Overall size of mineral specimen: 10x8x5 cm. Size of individual crystals: 1-10 mm.”
John Betts - 30th November 2000
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