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Obsidian is, itself, a mineral.
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∙ 8y ago
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How is obsidian dependent to minerals?
how is obsidian dependent on minerals
What minerals does obsidian have?
none
Does an obsidian rock have minerals you can see with magnification?
No, obsidian is volcanic glass.
What does obsidian mean in rocks and minerals?
Obsidian is black glass formed by volcanoes.
Is pumice and obsidian exaples of minerals?
No. Pumice and obsidian are rocks composed mostly of glass.
Does obsidian have any minerals present?
No, it is a colloidal glass.
What minerals make up a obsidian?
salt, silca, and grain
What igneous rock does not have any minerals in it?
Obsidian is an igneous rock that technically is not composed of minerals. It is a natural glass.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
Why is the texture of obsidian is best contain few or no minerals grains?
Obsidian cools so quickly the mineral grains do not have time to form.
What kind of minerals are in the obsidian rock?
!I think there is quarts, but I only think.
Smooth glassy rock?
Obsidian: Its texture is glassy. Obsidian is extrusive or volcanic, because the instantaneous cooling that produces such rocks is a surface phenomenon. Obsidian is amorphous, so, unlike true rocks, it is not composed of minerals.
