Results 11 to 20 of about 248 (94)
MORPHOLOGICAL NOTES ABOUT AMAZONITE [PDF]
Минералогия, 2018 Morphological features of amazonite cause some onthogenic models of K-feldspars. The crystals of amazonite are zonal and sectorial. «Microcline lattice» of stresses in K-feldspar is formed after its growth during polymorphic transformation of monoclinic ...
V.A. Popov
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Yankuang ceshi, 2017 The Zhaojinggou Nb-Ta polymetallic deposit in Inner Mongolia is a newly discovered large rare metal ore deposit. The reserve of Nb-Ta oxides is more than 8200 tons.
GAO Yun +5 more
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Mineralogical characteristic of amazonite from Čanište- Republic of Macedonia [PDF]
, 2014 Mineralogy of amazonite from Čanište is presented in this paper including physical properties and chemical composition. Several samples of amazonite were analysed by scanning electron microscope (SEM). SEM is especially useful because it gives elemental,
Sijakova-Ivanova, Tena, Mircovski, Vojo
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CHARACTERISTICS OF THE UNIQUE Y-HREE-F-RICH PEGMATITE SYSTEM REVEALED BY ZIRCON GEOCHEMISTRY: A CASE STUDY FROM MT. PLOSKAYA AMAZONITE DEPOSIT, KOLA PENINSULA [PDF]
МинералогияAn amazonite-quartz-albite pegmatite body of the Mt. Ploskaya intrudes a metavolcanic complex of the Keivy Terrane (Kola Peninsula) and is unique in its diversity and an assemblage of ore and accessory Y-Yb-Ta-Nb-Be-Pb-F mineralization.
D.R. Zozulya +3 more
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Geologia Croatica, 2012 The epidote-bearing Čanište pegmatite and adjacent Upper Carboniferous granodiorites cut Precambrian gneises, at the western slopes of the Selečka Mts., the Eastern Pelagonian zone, FYRO Macedonia.
Sabina Strmić Palinkaš +6 more
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MICAS FROM PEGMATITES OF THE ILMENY STATE RESERVE [PDF]
Минералогия, 2016 Most comprehensive review of micas from pegmatites of the Ilmeny State Reserve is presented. Correlation between the composition of micas and the type of pegmatite is shown. The data on evolution of micas from amazonite pegmatites are provided.
E.V. Belogub +2 more
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Mineralogical–Geochemical Characteristics of Amazonite from Five Localities in Northwest China
Yankuang ceshiAmazonite was a significant gemstone in ancient China, and determining its provenance is crucial for understanding early interregional resource use and cultural exchange patterns.
Yifei PENG +5 more
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The long-distance exchange of amazonite and increasing social complexity in the Sudanese Neolithic [PDF]
, 2018 The presence of exotic materials in funerary contexts in the Sudanese Nile Valley suggests increasing social complexity during the fifth and sixth millennia BC.
Abd el Rahman A. M. +9 more
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INTERRELATIONS BETWEEN MINERAL BODIES IN FENITE HALO OF THE WESTERN CONTACT OF THE ILMENOGORSKY MIASKITE COMPLEX [PDF]
Минералогия, 2017 The northwestern contact of the Ilmenogorsky miaskite complex exhibits a succession of rocks from early banded meso- and melanocratic syenites to granosyenites and granites and further complex series of leucocratic syenites, carbonatites, syenitic and ...
V.A. Popov, V.A. Muftakhov
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