| Description |
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| Comments: | Adamantine luster; much coated on crystal faces a bright metallic black with Mn & Fe oxides. Large, relatively pure, crystalline masses of medium grain. |
| Habit: | Dodecahedral, some to nearly 5 cm diameter; rhombohedral faces striated |
| Colour: | Dark reddish and brownish-green or dark greenish-brown |
| Quality of samples: | not specified / average specimens |
| Confirmation |
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| Validity: | Believed Valid |
| References |
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| References: | Schrader, F.C. and J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 328. |
| Associated minerals: |
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| Associates: | Epidote
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| Data |
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| Mineral Data: | Click here to view Andradite data |
| Locality Data: | Click here to view Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA |
| Photo Gallery | View Gallery (3 photos) |