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Obsidian is a naturally occurring volcanic glass formed in swiftly cooling lava that has a high silica content. It is not considered a true mineral, as it does not have a consistent chemical content and it does not form crystals. Obsidian is commonly found within the margins of the lava flows known as obsidian flows. It has a glassy texture and a glass like luster. The color in Obsidian varies, depending on impurities in the parent lava formation. The various shades of Obsidian include black, rainbow, snowflake, gold, and mahogany. Obsidian was commonly used for tools.

Midnight Lace Obsidian is a rare type of obsidian crystallized by the slow movement of magma stretching and rolling the obsidian layers. Midnight Lace Obsidian is highly desired for its unique mixture of clear and smoky transparent and black layers. It's fantastic variety of patterns is also a real eye-catcher showing an interesting mixture of clear and black layers in lace-like patterns.

Midnight Lace Obsidian is a mineral found in the Caucasus Mountains in Armenia. A very small deposit was also found in Oregon.

Hardness 5.5-6

This is a natural stone that has had no treatment other than cutting, drilling, and polishing.