Mexican Onyx Bear with Fish polished Mica has a monoclinic crystal

Mica has a monoclinic crystal system and peels into sheets

Bismuth is a relatively rare metal found in the Earth's crust in hydrothermal veins

3 in length

Grape Agate is the name given to the botryoidal Purple Chalcedony that has been recently discovered in Indonesia

Mexican Onyx Bear with Fish polished Mica has a monoclinic crystalPakistani onyx, the bands formed by the deposition of calcite saturated with iron. The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding. This piece is polished into a bear shape, with a fish in its mouth. You will receive the exact item pictured. Average measurements: 4. 00 L x 2. 25 W x 3. 00 H inches Average weight: 4. 3 ounces