Hydrothermal Synthetic Red Beryl from the Institute of Crystallography, Moscow
Hydrothermal synthetic red beryl has been produced for jewelry applications.
Ancient Tourmaline and Beryl from Afghanistan
Examination of a large private collection of beads and carvings from antique excavations, assembled in the 1970s by a collector in Afghanistan.
Nonfading Maxixe-Type Beryl?
A "nonfading" specimen was examined and proved to be the typical fading Maxixe-type deep blue beryl.
Aquamarine, Maxixe-Type Beryl, and Hydrothermal Synthetic Blue Beryl: Analysis and Identification
Aquamarine, Maxixe-type (irradiated) beryl, and two types of hydrothermally grown synthetic blue beryl currently available in the marketplace were investigated by various gemological methods.
Natural Faceted Red Rutile
A dark red stone is revealed to be natural red rutile, the first faceted specimen seen in the Carlsbad lab.
Interesting Red Tourmaline from Zambia
A new source of red tourmaline is identified in Zambia.
Brownish Red Zircon from Muling, China
Gem-quality brownish red zircon occurs in alluvium derived from Tertiary alkali basalt at Muling in the northeast Chinese province of Heilongjiang
A New Classification for Red-To-Violet Garnets
An overview of previous red-to-violet garnet classification schemes and a proposal for a new one.
Gem Garnets in The Red-To-Violet Color Range
This article shows that the characteristic of color appears to have little correlation with variations in bulk (not trace) composition or physical properties.
Identification of the Endangered Pink-To-Red Stylaster Corals by Raman Spectroscopy
All corals within the Stylasteridae family (including the Stylaster genus) are listed in Appendix II of CITES.