Limited Edition Michigan Copper Specimen Large Mexico but rather to trace amounts

but rather to trace amounts of manganese

Amethyst is a purple variety of quartz that derives its color from irradiation and the presence of iron inclusions within the crystal lattice

this piece does have pyrite

Polychrome Jasper (Desert Jasper) is a colorful variety of chalcedony that forms through volcanic activity and hydrothermal alterations

Limited Edition Michigan Copper Specimen Large Mexico but rather to trace amountsPremium Native Copper Specimens. Hand selected by the geologic miner from the Otonogan mine right here in Michigan. An excellent example of Native Copper. Measuring approximately 5 inches in length, 3. 5 inches in height, and 2 inches in width. Weighing . 9 pounds. Customer will receive the exact piece pictured.