Hypersthene beads 10mm smooth ball

Hypersthene (from al-Greek. hyper — excess, and sthenos — strength, fortress) is the intermediate member of the series of solid solutions in the subgroup of orthopyroxene
An intermediate orthopyroxene of variable composition, and is currently considered as a synonym of enstatite or ferrosilite, and most of the "hypersteel" when determining the exact composition of the samples are ferriferous enstatite.

Hypersthene beads for jewelry making.
in the presence of 10 mm.
smooth ball.
Other sizes before ordering required to coordinate.