Obsidian Carved Towers / 8-12cm AVG - 1 LB. LOT #00 while Moss Agate

while Moss Agate

Rough Natural Ethiopian Opal

Mahogany Obsidian Cabochons

but is much more commonly used for decorative pieces and jewelry

These adorable pyramids are the perfect addition for your crystal collections

Obsidian Carved Towers / 8-12cm AVG - 1 LB. LOT #00 while Moss AgateQuantity: 1 pound Average size range: 8 to 12 centimeters Obsidian is not actually 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. When polished, obsidian can occasionally exhibit a gold, silver, or rainbow sheen depending on any included minerals.