Chalcedony

SiO2 - Mohs Hardness: 6 - 7. Chalcedony is a very important ornamental stone. The varieties Agate, Chrysoprase, Carnelian, Sard, Tiger's Eye, Bloodstone, Jasper, and Moss Agate are all carved into cabochons and beads, making fine yet inexpensive gems. The apple-green variety, Chrysoprase, has a distinct color and commands a higher price than the other varieties. Light blue Chalcedony has also become popular as a gemstone.
Abstract/Description: SiO2 - Mohs Hardness: 6 - 7. Chalcedony is a very important ornamental stone. The varieties Agate, Chrysoprase, Carnelian, Sard, Tiger's Eye, Bloodstone, Jasper, and Moss Agate are all carved into cabochons and beads, making fine yet inexpensive gems. The apple-green variety, Chrysoprase, has a distinct color and commands a higher price than the other varieties. Light blue Chalcedony has also become popular as a gemstone.
Subject(s): environmental sciences
Title: Chalcedony.
Type of Resource: still image
Genre: natural object
Physical Form: image/jpeg
Abstract/Description: SiO2 - Mohs Hardness: 6 - 7. Chalcedony is a very important ornamental stone. The varieties Agate, Chrysoprase, Carnelian, Sard, Tiger's Eye, Bloodstone, Jasper, and Moss Agate are all carved into cabochons and beads, making fine yet inexpensive gems. The apple-green variety, Chrysoprase, has a distinct color and commands a higher price than the other varieties. Light blue Chalcedony has also become popular as a gemstone.
Identifier(s): rockminx-5-3-4 (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: UT Department of Environmental Sciences.
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