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14.0 Nepheline syenite. Locality unknown. Gray nepheline, pinkish white alkali feldspar, and minor iron-bearing oxide minerals, locally weathered to red hematite, comprise the rock. [Scale shows cm divisions.]
Image 32 of 156
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![14.0 Nepheline syenite. Locality unknown. Gray nepheline, pinkish white alkali feldspar, and minor iron-bearing oxide minerals, locally weathered to red hematite, comprise the rock. [Scale shows cm divisions.]](../14.0.JPG)