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Product Code: RRI-SNOWOB
Snowflake obsidian is a product of a volcanic eruption. It formed when molten rock cooled so quickly that the atoms in the melt did not have enough time to arrange themselves into mineral crystals. Instead, the molten material immediately solidified into an amorphous solid called a "glass". So, snowflake obsidian can be called an "igneous rock" and a "volcanic glass".
What causes the snowflakes? Immediately after the rock formed it was completely black. Over time some of the glass started to alter into crystals of cristobalite, a white to gray mineral. So the white "snowflakes" are patches ...
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Snowflake obsidian is a product of a volcanic eruption. It formed when molten rock cooled so quickly that the atoms in the melt did not have enough time to arrange themselves into mineral crystals. Instead, the molten material immediately solidified into an amorphous solid called a "glass". So, snowflake obsidian can be called an "igneous rock" and a "volcanic glass".
What causes the snowflakes? Immediately after the rock formed it was completely black. Over time some of the glass started to alter into crystals of cristobalite, a white to gray mineral. So the white "snowflakes" are patches of cristobalite crystals within the volcanic glass.
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