attract luck and prosperity

Dellen impactites were divided into three impactite groups: (i) suevitic impact breccias with lithic and melt clasts

This is a superb looking individual cut fragment of the  Gold Basin meteorite weighing 24

who built a lab on site to NASA Moonwalker "Gene" Cernan

Color: Color Change Green to Purple

Biotite Mica Book | Black Crystal | 48.8 Grams | Ontario, Canada | SO24 IAB-MG attract luck and prosperityThis 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