A new ornamental gemstone from Pakistan: Sannan-Skarn

Hänni, Henry A. and Franz, Leander and Wei, Zhou. (2016) A new ornamental gemstone from Pakistan: Sannan-Skarn. Proceedings of the 5th International Gem and Jewelry Conference (GIT 2016), 1 (1). pp. 55-61.

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A new deposit of complex fine-grained green rocks was found in Western Pakistan. The material is characterised by its more or less green colour, due to chrome. The mineralogical components vary strongly in short distances and the minerals (hydrogrossular, diopside, aegirine, winchite, pectolite, chlorite, natrolite, sodalite etc.) are not well known to gemmologists. A common term to name the material is skarn, as it describes a rock formed by metasomatic replacement of parent rock, commonly a calc-silicate rock, transformed in a metamorphic process. Sannan is a specific modifier that describes the skarn from the new occurrence.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Ehemalige Einheiten Umweltwissenschaften > Theoretische Petrologie (De Capitani)
05 Faculty of Science > Departement Umweltwissenschaften > Geowissenschaften > Quartärgeologie (Fleitmann)
UniBasel Contributors:Franz, Leander
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:The Gem and Jewelry Institut of Thailand
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:04 Oct 2021 15:00
Deposited On:04 Oct 2021 15:00

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