5) Very Large Natural Black Obsidian Crystal Freeform Calcite Ammonite Natural Crystal Celestite Cluster of

Natural Crystal Celestite Cluster of high grade

0 cm approx

and pyrite (metallic yellow)

Beautiful Uruguayan Amethyst Geode

5) Very Large Natural Black Obsidian Crystal Freeform Calcite Ammonite Natural Crystal Celestite Cluster ofPresenting the Extra Large Natural Black Obsidian (Volcanic Glass) Natural Freeform Natural black obsidian is a volcanic glass that forms when molten lava cools rapidly. It is composed mainly of silica and is known for its smooth, glassy texture. The deep black color of obsidian is a result of the presence of iron and other impurities. This deep black crystal with a mesmerizing sheen, has been revered for centuries for its mystical properties and