Geffroyite Image |
Mineral: | Geffroyite: (Ag,Cu,Fe)9(Se,S)8 | |||||
Comments: | Silvery-gray grains of geffroyite to <0.5mm embedded in tan barite matrix. | |||||
Location: | Moctezuma mine, Moctezuma, Sonora, Mexcio. | |||||
Scale: | Overall: 3 x 2 x 2 cm. | |||||
Copyright: | © Tom Loomis / Dakota Matrix | |||||
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