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the inclusion of small
Clarity: Fine Crystal
This is a beautiful sample of the famous iron meteorite Campo del Cielo (Heaven’s Field in Spanish) that was found in Chaco Province
Calcite is found throughout the world in sedimentary
Biotite Mica Book | Black Crystal | 68 Grams | Ontario, Canada | SO24 Variscite the inclusion of smallThis is a sharp, beautiful, black Biotite crystal book from the Calcite Vein Dikes of the Grenville Geological Province Ontario, Canada. This biotite has classic crystal shape and attractive dark black coloration. This specimen is a great example of both. Biotite is rarely considered a valuable mineral specimen, but it can accompany other minerals and compliment them. In Bancroft, Ontario Biotite forms large crystals with green apatite and hornblende.
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