This came from the ring of the impact and is the harder to find gold-copper-bronze colored impactite described as a metal-rich breccia and sulfides composed chiefly of some amount of iridium

Dimensions: 47x42x21 mm / 1

Color: Fine Rainbow & Hot Pink*** Picture reflects Blue from Rainbow

Bead Size: 15x7 to 16

Size: 16x13mm

Biotite Mica Book | Black Crystals | 127.4 Grams | Ontario, Canada | SO24 Anyolite This came from the ringName: Biotite Mica Specimen Size: Cabinet Sized Dimensions: 101x78x10 mm 4. 0x3. 1x0. 4 inches Weight: 127. 4 Grams 4. 5 Ounces Origin: Ontario, Canada This 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