isolated raw perlite rock white background |
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| navigate by keyword : amorphous background barite barium barytes black called carbon characteristics chemical coal common composed consist contain content crystal elements feature ferrimagnetic formed fossil fuel geology glass granite heavy high hydration instead iron isolated jamesonite macro magnetite material metal metallic metals mineral minerals natural nature nonmetallic obsidian ore oxides perlite piece properties raw relatively rock rough spar stone sulfate texture that typically volcanic water whereas white |
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| Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian. |
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