 | | Journal (article/letter/editorial) | | COLORADO AMETHYST THOMAS C . MICHALSKI U. S. Geological Survey Denver Federal Center Denver, Colorado...E CENTURY, COL O R A D O ' S N U M E R O U S amethyst localities have been studied and recorded in geologic...has any significant amethyst occur rences. Most of Colorado's " o l d " amethyst localities are, however...fine gemstone and mineral specimens. Background Amethyst, the purple variety of crystalline quartz, has...beauty and sup posed mystical powers. The word amethyst comes from the ancient Greek and means "not drunken |  | | Journal (issue) | | Three mine pegmatites, Ramona district, San Diego County, California ............................101 by E... B. Spaulding R. A. Mason & R. F. Martin , California locality index ...........................................129 by A. R. Kampf & the Southern California Chapter of the Friends of Mineralogy, Locality...Ramona in e P e g m a t it e s , istrc San Diego D ,California Eugene E. Foord U. S. Geological Survey...Louis B. Spaulding, Jr. P. O. Box 807, Ramona, California 92065 Roger A. M ason Dept, of Earth Sciences |  | | Journal (article/letter/editorial) | | Colorado Figure 1 (right): Doubly terminated amethyst crystal, 3 4 inches long, exhibiting scepter development;...3Vi inches across, of large amethyst crystals from the Amethyst Queen claim, Unaweep Canyon; Denver Museum...crystals surrounded by banded quartz and amethyst crystals: Amethyst mine. m 6 ROCKS AND MINERALS |  | | Catalog/List | | TOTAL WRECK WULFENITE: Total Wreck Mine, Pima County, Arizona; Nice butterscotch to near clear thumbnails...at $15.00 each. BROOKITE: Magnet Cove, Garland County, Arkansas; Dipyramidal thumbnail crystals mounted...coated with drusy quartz or calcite interiors. They range in size from 2 112 to 4 inches and are priced at...this always popular material. Individual crystals range in size from 3 inches long to 10 inches long, 1/2...showy and super clean, no dings or damage. These range in size from 1 1/2x2 inches to 2 x 3+ inches and |
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Amethyst Queen claim, Beck Spring, Kingston Range, San Bernardino County, California, USA