Rough Obsidian Boxed Flat (24 Pieces) (1 to 1.5 Inches) Bulk Wholesale Crystals Minerals Gemstones Valentine's Day and sometimes clear or yellow

and sometimes clear or yellow bands

also known as rubellite

Average size range: 20 to 60 millimeters

25 to 3 inches

Blue Goldstone Cabochons

Rough Obsidian Boxed Flat (24 Pieces) (1 to 1.5 Inches) Bulk Wholesale Crystals Minerals Gemstones Valentine's Day and sometimes clear or yellow24 Piece Flat of Rough Extra Quality Obsidian Stones Uniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Listing is for (1 Boxed Flat) Avg Size Range: (1 to 1. 5 Inches) Sizes Vary Box Contains (24 Pieces) Box Dimensions (6 x 11 Inches) Obsidian is not a gemstone, but instead a kind of glass that forms when volcanic lava rapidly cools in the open air without forming any specific crystalline structures.