Title | Barite on calcite, from southwestern North Dakota, USA |
Description | The glassy brownish crystals are barite (BaSO4). The smaller yellow-tan crystals and most of the fine grained material is calcite (CaCO3). This sample is 9.5 cm in longest dimension. |
Location | USA ▹ North Dakota. Southwest North Dakota. |
Photographer | Twyla Baker. 2001-05-30. |
Collection | University of North Dakota Mineralogy Collection #880. |
Key words | barite, calcite |
Tech details | 544 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 568 |
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