| | Description | |
| Comments: | As veins in black-banded calcite veins. | | Colour: | Brown | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 353; Cousins, N.B. (1972), Relationship of black calcite to gold and silver mineralization in the Sheep Tanks mining district, Yuma Co., AZ, AZ State Univ. M.S. thesis. | | Associated minerals: | |
| Associates: | Calcite
| | Data | |
| Mineral Data: | Click here to view Rhodochrosite data | | Locality Data: | Click here to view Sheep Tanks Mine (Sheep Tank Mine; Resolution group), Kofa Game Range, Sheep Tanks District, Little Horn Mts, Yuma Co., Arizona, USA |
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