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1.0 Aplitic granite. Carson-Iceberg Wilderness, California. [Scale in upper right shows 1 and 2 mm diameter dots.]  Gray quartz is especially visible near intersecting cracks below the 1 mm dot.  Alkali (K-rich) feldspar is pink.
1.0 Aplitic granite. Carson-Iceberg Wilderness, California. [Scale in upper right shows 1 and 2 mm diameter dots.] Gray quartz is especially visible near intersecting cracks below the 1 mm dot. Alkali (K-rich) feldspar is pink.

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