Acicular Troughs Coincident with Green Stains on Rough Diamond Surface
The author acquired an alluvial rough diamond from Guyana showing unique surficial features that do not appear to have been documented elsewhere.
Complex Fluid Inclusion in Topaz
A blue topaz recently examined by the authors contained an interesting and complex fluid-filled negative crystal that revealed some remarkable behavior when cooled down.
YAG with Flux-Filled Fingerprints
The author recently examined a 3.58 ct yellowish green yttrium aluminum garnet, a manufactured product known in the trade as “YAG,” that contained numerous large flux-filled fractures.
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