| | Description | |
| Comments: | Crystalline, banded black; crystalline white in cavities. | | Colour: | Black, white | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 132-140; Wilson, E.D., et al (1934)(revised 1967), AZ Bur. Mines Bull. 137: 144-145. | | Associated minerals: | |
| Associates: | Rhodochrosite
| | Data | |
| Mineral Data: | Click here to view Calcite 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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