SELF-TEST SAMPLE Click picture for ID
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Special Features > Quartz >20% > Biotite/Amphibole >20%  Go to Composition/Texture Key Go to Color/Texture Key Go to Identification Strategies |
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SELF-TEST SAMPLE Click picture for ID
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Special Features > Quartz >20% > Biotite/Amphibole >20% Go to Composition/Texture Key Go to Color/Texture Key Go to Identification Strategies |