Calcite from Portland Mine, Black Mountains, Mohave County, Arizona
Photo below under shortwave ultraviolet illumination:
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| DESCRIPTION: | No. 73440
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| Mineral: | Calcite
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| Locality: | Portland Mine, Black Mountains, Mohave County, Arizona |
| Description: | Large cluster of lustrous transparent colorless calcite crystals covering one face of brown matrix. The calcite crystals are tapered prismatic hexagonal form with basal pinacoid terminations modified by first- and second-order pyramidal edge faces. Ex. Dick Morris and Mark Hay; collected ca. 2003 |
| Overall Size: | 9.5x6x4.5 cm |
| Crystals: | 5-18 mm |
| Archived: | For reference only |
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The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property.
