Dendritic Inclusions in Cambodian Sapphire
A sapphire from Pailin, Cambodia, hosts inclusions that are unusual for this material.
Omphacite and Chromite: A "Bimineralic Inclusion" in Diamond
Two inclusions appear joined in a diamond host.
Type IIa Diamond with Extraordinary Etch Channels
Rare dissolution etch channels are seen in a natural diamond.
Quarterly Crystal: Cr-Diopside in Diamond
A bright green chromium diopside inclusion is seen in a diamond from South Africa's Kimberley mine.
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