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6 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Rhyolite |
Light colored, no visible crystal. |
Fine grain- Quartz, feldspar, muscovite |
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Basalt |
Dark- colored no visible crystals |
Fine grain-Hornblende, biotite |
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Granite |
Visible crystalline- light colored mineral predominate |
Coarse grain, Quartz, feldspar, biotite, hornblende |
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Obsidian |
Dark, glassy rock, massive |
Glassy, no mineral |
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Pumice |
Lightweight, glassy rock with numerous tiny holes |
No minerals |
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Granite Porphyry |
Visible crystalline- Large feldspar phenocryst, light colored minerals predominate |
Quartz, feldspar, biotite, hornblende |
