Collection of Mark Fenoglio

334 specimens published from MyMinerals 1.0

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Arsenopyrite

No. 0323

San Antonion El Grande Mine, Level 13
San Antonio, Chihuahua, Mexico

Group of metallic silver-gray wedge-shaped crystals (to 1.6 cm across) on bed of grayish to colorless quartz needles (to 8 mm tall) atop bluish-gray matrix

Purchased in February 2004

6.7 x 5.2 x 4.5 cm (small cabinet)