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mirror-like luster and dense, prismatic crystals; localities Panasqueira, Xuebaoding, Viloco; value hinges on finish, size, and matrix.Emmons Quarry, Greenwood, Oxford County
Emmons Quarry, Greenwood, Oxford County, USA - Maine pegmatite yielding fluorapatite, lithiophilite, perhamite and cesium minerals, prized by collectors.
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