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Obsidiana

Black Obsidian

Regular price
3,95€
Sale price
3,95€
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Rock Class igneous rock
Rock Subclass
Volcanic (volcanic glass)
Origin Hidalgo, Mexico
Size

Medium: 3.00-4.00 cm

Large: 4.00-5.00 cm

Obsidian, or volcanic glass, is molten lava that has cooled rapidly. Its composition is mainly of silicic oxides, being very similar to that of granite or rhyolite.

The piece you receive may differ slightly from the photo shown as the rocks are natural and no piece is identical. The size is approximate.