Research Article Search Results
In Memoriam: Heitor Barbosa
Texas Topaz, Slovak Opal, a Beryl Inclusions Chart, and More
Suspended Crystal in Red Spinel
“Sun Spangle” in Amber
Hollandite in Amethyst
A spectacular display of hollandite crystals is captured within an amethyst cabochon.
Distinctive Feather in Diamond
A feather observed in a natural diamond resembles a large reptile.
Cross in Natural Diamond
Treated HPHT Laboratory-Grown Diamond with Dramatic Color Zoning
A Fancy Deep brownish orange treated HPHT-grown diamond exhibits multiple defect concentrations in various growth sectors.
A Remarkable 16.71 ct Transparent Orange-Yellow Sodalite
Rare Natural Bicolor Diamond
Two Foraminifera-Like Objects Found in a Natural Saltwater Pearl
