Indonesian Pyrite with Quartz, Galena A Aventurine It's Mohs hardness is 7

It's Mohs hardness is 7

and colorings will vary slightly as each piece is unique

Howlite is a monoclinic mineral formed in an evaporite environment

minerals (primarily calcite and aragonite) fill in the cracks

is caused by inclusions of sulfur

Indonesian Pyrite with Quartz, Galena A Aventurine It's Mohs hardness is 7This specimen comes from a gold mine near West Kalimantan Indonesia. We DO NOT think there is any gold or silver, however, this piece does have iridescent pyrite, quartz crystals, and what appears to be tetrahedrite or sphalerite crystals. Measuring 5 inches in length, 2 inches in height, 2. 5 inches in width. Weighing 1 pound. Customer will receive the exact item pictured.