| Abstract: | The many varieties and associations of quartz found throughout the state rank it as one of the premier worldwide localities for that species. This paper briefly outlines the historical importance of the mineral, the mining history and the geological setting before discussing the varieties of quartz present, its crystallography and the geological enviroments in which it is found. The latter include volcanic rocks and near surface igneous rocks; pegmatites; metamorphic and plutonic rocks; hydrothermal veins; skarns and sedimentary deposits. Details of the localities and mode of occurrence of smoky quartz, amethyst, milky quartz, rock crystal, rose quartz, citrine, agate and jasper are then given. -S.J.Stone |
| Genre: | Article |
| ProdID: | 70016534 |
| Citation Author: | Kile, D. E.; Modreski, P. J.; Kile, D. L. |
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| Citation End Page: | 406 |
| Citation Issue: | 5 |
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| Citation Language: | English |
| Citation Larger Work Title: | Rocks & Minerals |
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| Citation Number Of Pages: | 33 |
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| Citation Search Results Text: | Colorado quartz: occurrence and discovery; 1991; Article; Journal; Rocks & Minerals; Kile, D. E.; Modreski, P. J.; Kile, D. L. |
| Citation Start Page: | 374 |
| Citation Volume: | 66 |
| Citation Year: | 1991 |
| Type: | citation/reference |
| Text: | Colorado quartz: occurrence and discovery; 1991; Article; Journal; Rocks & Minerals; Kile, D. E.; Modreski, P. J.; Kile, D. L. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1991 00:00 -0600 |
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