A quarry started in the 1870's and still active. Owned by 3M Co. and located just South of Little Rock at Sweet Home, AR. A huge, active nepheline syenite quarry and an abandoned sandstone quarry featuring quartz veins in jackfork Sandstone.
Barwood(1987)Rocks & Min.:63:120.
97 entries listed. 75 valid minerals. 1 type locality (valid mineral).
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