Obsidian Carved Towers / 8-12cm AVG - 1 LB. LOT #00 Quantity: 12 piece flat

Quantity: 12 piece flat

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

Sodalite is a silica-based mineral with a high concentration of sodium

but is much more commonly used for decorative pieces and jewelry

Large Amethyst Tea Light Candle Holder with Felt Bottom

Obsidian Carved Towers / 8-12cm AVG - 1 LB. LOT #00 Quantity: 12 piece flatQuantity: 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.