Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2015 m. Nr. 1 Chemical composition of rare garnets, their colours and gemmological characteristics
The article describes the rare garnet chemical composition, the colour, the dependence on chemical elements and gemmological features. Chemical analysis of the garnet group minerals was performed with a Quanta 250/450/650 scanning electronic microscope, using an apparatus for coating the samples with metals Emitech SC7620 Mini Sputter Coater with a CA7625 attachment for carbon coating.
Keywords: garnets, tsavorite, blue colour-change garnets, demantoid and rainbow garnets |
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