Collection of Mark Fenoglio

334 specimens published from MyMinerals 1.0

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Cummingtonite

No. 0007

Homestake Gold Mine
Lead, Lawrence Co., South Dakota

Mass of intergrown light brownish-green fan-shaped radiate crystals (to 11 mm) amid darker green matrix, perhaps massive chlorite

Collected in June 1988

6 x 2.7 x 2.4 cm (small cabinet)