Snowflake Obsidian By Leslie A Malakowsky Obsidian is minerallike, but it is not a true mineral It's a naturally occurring volcanic glass that forms as an extrusive igneous rock (Glass is an amorphous, homogeneous material with a random liquidlike structure that generally forms due to rapid cooling) Obsidian is sometimes classified as aObsidian is volcanic glass This means it forms when a volcano's lava cools quickly with little or no crystal formation Therefore, we class obsidian as an igneous rock Unlike snowflake obsidian, pure obsidian is uniformly dark Whereas, the snowflake variation contains cristobaliteEach stone will vary in size, shape, and color 12 in stock
Macro Shooting Of Natural Mineral Rock Specimen Tumbled Snowflake Obsidian Gem Stone On Dark Granite Background From Usa Canstock
