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Gemnological properties of hyalophane from Busovača in Bosnia and Herzegovina (CROSBI ID 480860)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Kniewald, Goran ; Pavlović, Gordana ; Palinkaš, Ladislav ; Bermanec, Vladimir Gemnological properties of hyalophane from Busovača in Bosnia and Herzegovina // 31ts Int.Geol.Congress / Gravata Galvao, Luiz Antonnio (ur.). Rio de Janeiro: Geological Survaey of Brasil, 2000. str. 137-137-x

Podaci o odgovornosti

Kniewald, Goran ; Pavlović, Gordana ; Palinkaš, Ladislav ; Bermanec, Vladimir

engleski

Gemnological properties of hyalophane from Busovača in Bosnia and Herzegovina

Hyalophane from Busovača in Bosnia and Herzegovina is a new gem material. It is a member of K-Ba-feldspar series where orthoclase and celsian are respective K and Ba end-members. The formula of hyalophane maybe given as (K,Ba)(Al(Al,Si)Si2O8). The stones are colourless, fully transparent with refrective indices of nx=1.541-1.543, ny=1.546-1.549, nz=1.549-1.551, birefrigence of 0.007-0.008 and a specific gravity of 2.89 g/cm3. Routine gemmological indentification using standard reference tables or appropriate identification software is not posible since hyalophane has up to now been unknown as gem material. Inclusions in Hy were investicated and identificated by microscopy and micro-Raman spectroscopy. They can be used as a gemmological diagnostic feature for the Busovača locality.

hyalophane; gemstone properties; Busovača; Bosnia and Herzegovina

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Podaci o prilogu

137-137-x.

2000.

objavljeno

Podaci o matičnoj publikaciji

31ts Int.Geol.Congress

Gravata Galvao, Luiz Antonnio

Rio de Janeiro: Geological Survaey of Brasil

Podaci o skupu

31ts International Geological Congress

poster

06.08.2000-17.08.2000

Brazil

Povezanost rada

Geologija