Pyrope-spessartine garnets from Tranoroa, in southern Madagascar, contain appreciable Cr and somewhat lower V contents.
Read MoreThe gemmological properties and chemical compositions of two unusual colour-change garnets are reviewed.
Read MoreMines in San Benito County, California, produce andradite in various colours; some are chatoyant.
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Pyrope garnets occur in near-colourless to light orange and pink, as well as the familiar red.
Read MoreMalaya garnets from Bekily, Madagascar, are predominantly pink to pinkish orange, with some stones orange to red.
Read MoreThe gemmological classification and identification of gem grossular garnets is examined.
Read MoreGemmological, chemical, spectroscopic and microscopic properties of blue-green colour-change garnets from a new deposit near Bekily, Madagascar, are given.
Read MoreDemantoid, green andradite garnet, was discovered in the Central Ural Mountains of Russia in the mid-19th century.
Read MoreExposure of some colourless to pale-hued African grossulars to either 60Co or 137Cs gamma rays turns them light yellow-green.
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