Silver Obsidian 7x8mm Faceted Round Nugget - 15-16 Inch Stone Type_Variscite It has been greatly sought

It has been greatly sought after throughout history and was at times valued as highly as Diamond

Shungite has been used as a folk medical treatment since the early 18th century

As a Serpentine

Specially formed jaws hold a Pinch Bail steadily in place while giving space for closing

It forms when Quartz and Feldspar crystallize in radial aggregates within other silica to rich stones

Silver Obsidian 7x8mm Faceted Round Nugget - 15-16 Inch Stone Type_Variscite It has been greatly soughtEssentially 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)