Silver Obsidian 7x8mm Faceted Round Nugget - 15-16 Inch Phantom Quartz with occasional inclusions of creamy

with occasional inclusions of creamy white and dark grey

It has a hardness of 8 on the Mohs hardness scale

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors

It forms over long periods as mineral-rich water moves through aluminous rock

black with a golden sheen

Silver Obsidian 7x8mm Faceted Round Nugget - 15-16 Inch Phantom Quartz with occasional inclusions of creamyEssentially a volcanic glass, Obsidian ranges in color from opaque black, to green, brown, mahogany, black with rainbow colors, black with snowflake patterns, black with a golden sheen, and translucent black (Apache Tears)