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Showing 89 results for "garnet"
A cluster of octahedral crystals within a demantoid garnet.
Grossular Garnet Crystals in Demantoid Garnet

Demantoid garnet plays host to crystals of a different garnet species.

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A 7.26 ct modified round brilliant identified as pink pyrope garnet. Photo by Towfiq Ahmed; courtesy of Bill Vance.
Pink Pyrope Garnet

A rare example of pink pyrope garnet is examined in the Carlsbad laboratory.

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Garnet Crystal Inclusion Photomicrograph
Color-Change Garnet in Diamond

This diamond contained an inclusion of pyrope-spessartine garnet that appeared grayish green in fluorescent light and purplish red in incandescent light.

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Figure 1. Left: This 3.07 ct purplish pink “dragon” garnet, as seen in daylight-equivalent lighting, displays eye-visible blue apatite inclusions. Right: Red fluorescence in the garnet due to chromium, as seen using long-wave UV. Photos by Jessa Rizzo; courtesy of Ravenstein Gem Co.
Garnet with Apatite Inclusions

Vibrant blue apatite inclusions are observed in a garnet sample from an undisclosed source in Africa.

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IMG - WN13 GNI 157777 300x169
Demantoid Garnet Fossil Pseudomorphs

In these two extremely rare specimens, demantoid garnet replaced coral and gastropod fossils.

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Rounded Garnet Crystals
Bohemian Garnet – Today

Red garnets have been mined in the Bohemian Hills of Czechoslovakia since the 16th century.

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Gem Andradite Garnets

Gem-quality andradites are easy to distinguish chemically from other types of gem garnets.

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Gem-Quality Grossular Garnets

The gemological classification and identification of gem grossular garnets is examined.

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Pyrope-almandine garnet crystal inclusion in sapphire.
Pyrope-Almandine Garnet in Sapphire Host

The Bangkok laboratory recently identified a pyrope-almandine garnet in a sapphire host.

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Figure 1. Three near-colorless transparent grossular garnet tablets with black inclusions arranged in snowflake-like patterns: 0.46, 0.68, and 1.00 ct, respectively. Photo by Shunsuke Nagai.
Trapiche Pattern Formation of Grossular Garnets

GIA’s Tokyo laboratory examines three grossular garnets displaying six-rayed black inclusions arranged in a snowflake-like pattern.

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