Rough Obsidian / 1.5-2.5" AVG - 1 KILO LOT Menu Obelisks and takes on a variety

and takes on a variety of colors depending on the other minerals and trace elements that are included as it forms and grows

Mixed Gemstone Pocket Hearts

Blue Quartz Drop Pendants

and is widely found in formations such as stalactites and stalagmites

Green aventurine takes its color from inclusions of chromium-infused fuchsite

Rough Obsidian / 1.5-2.5" AVG - 1 KILO LOT Menu Obelisks and takes on a varietyQuantity: 1 kilogram Average size range: 1. 5 to 2. 5 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. When polished, obsidian can occasionally exhibit a gold, silver, or rainbow sheen depending on any included minerals.