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Garnet Crystal Inclusion Photomicrograph
Colour-Change Garnet in Diamond

Meenakshi Chauhan, October 31, 2014

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

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Unusual Dumbbell-Like Inclusion in Diamond

Emmanuel Fritsch and Aurélien Delaunay

Examination of a 0.40 ct near-colourless round brilliant diamond with a large inclusion resembling a dumbbell

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IMG - WN13 GNI 157771 300x169
Bright yellow diamonds from Sierra Leone

James Shigley and Christopher M. Breeding, January 31, 2014

Examination of strongly yellow diamonds from the Zimmi area of Sierra Leone revealed graphitised feather inclusions.

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The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
G&G Spring 2021 Edition
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