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Garnet
Garnets are a set of closely related minerals forming a group, with gemstones in almost every color.
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Abstracts; Winter 1991
This article, from the Winter 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.
The Andradites of San Benito County, California
Mines in San Benito County, California, produce andradite in various colors; some are chatoyant.
Two Notable Color-Change Garnets
The gemological properties and chemical compositions of two unusual color-change garnets are reviewed.
Fall 1986 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Gem Garnets in The Red-To-Violet Color Range
Gem-Quality Grossular Garnets
Gem Andradite Garnets
Mexican Demantoid from New Deposits
Skarn deposits in the Veracruz state of Mexico yield new demantoid material.
Metal Sulfide in Pyrope
Analysis reveals a surprising component to a metal sulfide inclusion in garnet.
Raspberry-Red Garnet with Black Core
Chemical analysis is performed on the black core of a red grossular garnet crystal.
Blue Apatite in Tanzanian Garnet
A pyrope-spessartine garnet displays bright blue crystal inclusions ensconced among intersecting needles.
Sphalerite Inclusions in Namibian Demantoid
A rare inclusion scene is found in a garnet crystal from Namibia.
