About 3/8" square. Hardness 6 to 6-1/2.

M157 - Bixbyite cubic crystals in thumbnail case. Iron Manganese oxide, with some titanium. Brilliant metallic cube shaped crystals.

Bixbyite is a rare mineral found in cavities in rhyolite, associated with topaz, pink beryl, garnet, and hematite, and in metamorphosed manganese deposits. Joab Co., Utah.

SPECIAL PRICE  $ 5.45 each