NEW!! Obsidian. Excellent piece. Armenia. 157 grams

Description

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Obsidian
Obsidian
is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth.
Here we offer an excellent natural sample for your collection from Armenia. The weight is 157 grams. It has very nice original surface of solidification.
It is a very good piece for any mineral collection.
SHIPPING:
1 within USA will be
2 worldwide will be .