Description
Dellen impactites were divided into three impactite groups: (i) suevitic impact breccias with lithic and melt clasts
Its dimensions are 54x47x20mm
Color: Color Change Green to Purple
This valley is famous for its temples
Origin: Burgess Mine
Biotite Mica Book | Black Crystal | 48.8 Grams | Ontario, Canada | SO24 IAB-MG Dellen impactites were divided intoThis is a 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. Single
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