Trolleite 8mm Large Hole Round - 8 Inch Lantern Faceted iron or manganese impurities within

iron or manganese impurities within the stone

Pure enstatite contains no iron

giving some rubies a slightly brownish or purplish tint

A manganese carbonate material of the Calcite group

Trolleite 8mm Large Hole Round - 8 Inch Lantern Faceted iron or manganese impurities withinTrolleite is an extremely rare aluminum phosphate mineral that crystallizes in the form of masses and small prismatic crystals. It is made up of quartz, lazulite, scorzalite, and sometimes lepidolite. It's often found in large masses and can be colorless, light to pale green, bluish green, or bright blue. Trolleite is known for its greasy appearance and subdued shine, even when polished.