Summer 2016 - Volume 52, Issue 2
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“Pond Life” orbicular chalcedony
“Pond Life” Orbicular Chalcedony

A polished orbicular chalcedony’s multiple inclusions combine to resemble an aquatic scene.

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Tropidogyne flower in amber
Inclusions in Burmese Amber

Examples of Burmese amber specimens with well-preserved inclusions that have become available in recent years.

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Aurora effect in iris agate.
Aurora Iris Agate

An iris agate with a unique growth texture is carved to produce an aurora-like effect.

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Quartz cabochon with garnet “inclusion”
Garnet Inclusion Illusion

A quartz double cabochon showcases a garnet placed to imitate an inclusion.

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Pyrope garnet with metal sulfide inclusion
Metal Sulfide in Pyrope

Analysis reveals a surprising component to a metal sulfide inclusion in garnet.

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Pinkish orange inclusion in topaz.
Quarterly Crystal: Triplite in Topaz

The first triplite inclusion in a topaz host is examined.

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Quartz windows in chalcedony
Chalcedony with Quartz Windows

Trigonal windows of quartz in a white chalcedony display vibrant interference colors when examined between crossed polars.

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Spondylus pearl with reflective blue coloration.
Iridescent Spondylus Pearl

Iridescence is seen in a porcelaneous pearl examined at the Carlsbad laboratory.

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A petrographic thin section of ruby-diaoyudaoite slag.
Metallic Chromium Inclusions in Industrial By-Product Ruby

Inclusions in technogenic ruby slag help to separate this material from other specimens, both natural and synthetic.

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