Auflösungsverhalten von Beryll

  • Kurumathoor Parameshwaran, Raji
Publication date
November 2016

Abstract

Beryl, a cyclosilicate, with an ideal chemical composition Be3Al2Si6O18, is the most important accessory Be mineral and an ore of the strategic element Be. It is mainly found in pegmatites, in some highly evolved granites and in some metamorphic rocks. In many cases, the beryl forming process extends over a wide range of P-T-X conditions. This process represents the major range of pegmatitic formation. Freely grown hydrothermal pegmatitic beryl crystals often show characteristic etch pits, which are indicators of dissolution. The objective of the present work is to study the dissolution behaviour of beryl, the most common Be-mineral and one of the most attractive and widely used precious gemstones, through the topography of its surface etch...

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