Peculiarities of the irisation in precious opals in view of their mosaic–cluster (frustumation) inner fabric

M. Yu. Povarennykh; A. V. Knot’ko; E. N. Matvienko; P. Yu. Plechov; A. A. Burmistrov; V. L. Luksha

doi:10.1134/S1028334X1604022X

Peculiarities of the irisation in precious opals in view of their mosaic–cluster (frustumation) inner fabric

Authors: Povarennykh M.Y.¹, Knot’ko A.V.², Matvienko E.N.³, Plechov P.Y.², Burmistrov A.A.², Luksha V.L.²
Affiliations:
1. Vavilov Institute for the History of Science and Technology
2. Moscow State University
3. Fersman Mineralogical Museum
Issue: Vol 467, No 2 (2016)
Pages: 415-417
Section: Geochemistry
URL: https://journals.rcsi.science/1028-334X/article/view/188306
DOI: https://doi.org/10.1134/S1028334X1604022X
ID: 188306

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Abstract

A direct correlation was shown for the first time between mosaic irisation patterns in synthetic and natural precious opals (from Australia, Ethiopia, Honduras, Slovakia, and Russia) and their frustumational (lump or mosaic–cluster) inner structure by means of photoluminescence, X-ray phase analysis, IR and Raman spectroscopy, and scanning electron microscopy.