Obsidian Carved Towers / 8-12cm AVG - 1 LB. LOT #00 Rough Natural Ethiopian Opal

Rough Natural Ethiopian Opal

Large Amethyst Tea Light Candle Holder with Felt Bottom

These adorable pyramids are the perfect addition for your crystal collections

Geodes are formed through the gradual accumulation of mineral-rich solutions within cavities or voids in volcanic or sedimentary rocks

Obsidian Carved Towers / 8-12cm AVG - 1 LB. LOT #00 Rough Natural Ethiopian OpalQuantity: 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.