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Is obsidian rock or gemstone

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Anonymous

∙ 16y ago
Updated: 8/17/2019

Obsidian is an extrusive igneous rock. Volcanic in origin, it is very common in recent lava flows. Obsidian is primarily made of glass. Obsidian is amorphous, lacking any crystal structure found in gemstones. For more details, try asking the question - "What is obsidian"

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∙ 16y ago
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Related Questions

What is the dark igneous rock formed from lava?

Obsidian, is a glass gemstone which is created in the fiery depths of a volcano, they surface during an eruption.


Is obsidian metamorphic igneous or sedimentary?

Obsidian is an igneous rock.


What does rock group does obsidian belong to?

Obsidian is in the Igneous rock group.


Is obsidian extrusive rock?

No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.


Teotihuacan is famous for artifacts made from?

Volcanic rock.


Is volcanic rock obsidian?

No. Obsidian is just one of many types of volcanic rock.


What is the obsidian rock type?

Obsidian is an extrusive felsic igneous rock.


What is the common name for obsidian rock?

The common name for obsidian rock is volcanic glass.


Dark igneous rock formed from lava?

obsidian obsidian


What is dark glassy volcanic rock called?

obsidian


What group does obsidian belong to?

Obsidian is in the Igneous rock group.


Is obsidian an igneous rock?

Obsidian is an igneous rock.So the answer is YES.

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