An Early Byzantine Engraved Almandine from the Garibpet Deposit, Telangana State, India: Evidence for Garnet Trade Along the Ancient Maritime Silk Road
Analyses the chemical composition and inclusion characteristics of this ancient artefact.
Abstracts; Summer 2009
This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
A Survey of the Gemstone Resources of China
China has identified many deposits with significant potential to produce gemstones; various species are discussed.
Bohemian Garnet – Today
Red garnets have been mined in the Bohemian Hills of Czechoslovakia since the 16th century.
The Andradites of San Benito County, California
Mines in San Benito County, California, produce andradite in various colours; some are chatoyant.
Diopside Needles as Inclusions in Demantoid Garnet from Russia: A Raman Microspectrometric Study
Straight, acicular, colourless solid inclusions in demantoid garnet from the Ural Mountains of Russia were investigated by laser Raman microspectrometry.
Garnets from Altay, China
Gem-quality spessartine garnet and grossular garnet have been discovered in Altay, China.
Pyrope garnets occur in near-colourless to light orange and pink, as well as the familiar red.
Pink to Pinkish Orange Malaya Garnets from Bekily, Madagascar
Malaya garnets from Bekily, Madagascar, are predominantly pink to pinkish orange, with some stones orange to red.
Spessartine Garnet from Ramona, San Diego County, California
For most of the 20th century, the principal source of fine spessartine was the area around the Little Three mine near the town of Ramona in southern California.