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Your search keyword '"*BASTNAESITE"' showing total 2 results
Start Over Descriptor "*BASTNAESITE" Region peshawar (pakistan)
2 results on '"*BASTNAESITE"'

1. ZAGI MOUNTAIN.

Author

Obodda, Herbert and Leavens, Peter

Subjects
*ORE deposits, *BASTNAESITE, *CERIUM group, *MINERALS, *MINES & mineral resources, *MINERALOGY
Abstract

Features the ore fields of Zagi Mountain located in the town of Peshawar on the border between Pakistan and Afghanistan. Production of fine specimens of bastnasite, xenotine and baotite known from the site; Occurrence of the minerals in alpine-type veins in alkali granite gneiss; Significance of Hazrat Ali's discovery of a bastnasite in the area on the study of mineralogy of the region.

Published
2004

2. Color-change bastnäsite-(Ce) from Pakistan.

Author

Massi, Laurent

Subjects
*BASTNAESITE, *CARBONATE minerals, *CARAT (Unit of weight), *ULTRAVIOLET radiation, *MONAZITE
Abstract

The article offers information about the color-change bastnäsite-(Ce) which originated from Peshawar, Pakistan. Gem dealer Scott Davies of the American Thai Trading submitted for examination the 2.09 carat rare-earth carbonate mineral to the Asian Institute of Gemological Science (AIGS) in Bangkok, Thailand. The mineral is brownish yellow and is inert to long- and short-wave ultraviolet (UV) radiation. Several rare-earth elements are associated with the color change of the mineral including monazite, zircon and fluorite.

Published
2007

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