Obsidian - 10 pounds* Rough Stone with varying degrees of transparency

with varying degrees of transparency depending on the specific specimen

is a rare variety of quartz characterized by its stunning chatoyancy (cat's eye effect) and vibrant coloration

001 grams to 5 grams each

Locality: Sonora

Obsidian - 10 pounds* Rough Stone with varying degrees of transparencyNatural Obsidian from Mexico Mostly large pieces 1 5 pieces per 10 pounds *Requires 20lbs of shipping space Obsidian is a naturally occurring volcanic glass that typically forms when lava cools rapidly without sufficient time for crystal growth. Color: Obsidian comes in various colors, including black, brown, gray, and green. The most common is black obsidian, which is often referred to simply as "obsidian." Hardness: Obsidian has a hardness of