Amethyst
Abstract/Description: | SiO2 - Mohs Hardness: 7. Amethyst name derives from the Greek "amethystos", which means "not drunken", as Amethyst in antiquity was thought to ward off drunkenness. The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light. When used as a gemstone, Amethyst is often heat treated to deepen the color, or to transform it into Citrine. |
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Subject(s): | environmental sciences |
Title: | Amethyst. |
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Type of Resource: | still image | |
Genre: | natural object | |
Physical Form: | image/jpeg | |
Abstract/Description: | SiO2 - Mohs Hardness: 7. Amethyst name derives from the Greek "amethystos", which means "not drunken", as Amethyst in antiquity was thought to ward off drunkenness. The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light. When used as a gemstone, Amethyst is often heat treated to deepen the color, or to transform it into Citrine. | |
Identifier(s): | rockminx-4-2-4 (IID) | |
Subject(s): | environmental sciences | |
Held by: | The University of Toledo | |
Location: | Digital Initiatives, University of Toledo Libraries | |
Rights Statement: | NO COPYRIGHT - UNITED STATES | |
Related Title: | Geddes Collection. | |
In Collections: |