Limited Edition Michigan Copper Specimen Large Mexico Howlite is a monoclinic mineral

Howlite is a monoclinic mineral formed in an evaporite environment

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

This colorful jasper is from Indonesia and exhibits wavy tones of yellow

but rather to trace amounts of manganese

Limited Edition Michigan Copper Specimen Large Mexico Howlite is a monoclinic mineralPremium 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.