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Comments: B&W image of euhedral virgilite crystal surrounded by glass containing several other virgilite crystals. Plane polarized light. AmMin v63:461. ...
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B&W image of euhedral virgilite crystal surrounded by glass containing several other virgilite crystals. Plane polarized light. AmMin v63:461.
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Virgilite mineral data, information about Virgilite, its properties and worldwide locations. ... This page provides mineralogical data about Virgilite.
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Virgilite: a newl ithium aluminums ilicatem ineralf rom the Macusangi lass,P eru; BnveN M. FnsNcs; 7408 Wyndale Lqne, Cheuy Chase, Maryland 20015; Prrnn A. Jrzrr ,rNo DnNrrl E. AppuueN; Departmento f Mineral SciencesN, ational Museumo f Natural History;
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(1978) that virgilite is a primary liquidus phase for the near-surface Macusani magma. ..... Virgilite, a new lithium aluminum silicate mineral from the ...
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Virgilite. LixAlxSi3¡xO6 c○2001 Mineral Data Publishing, version 1.2. Crystal Data: Hexagonal. Point Group: 622. Rarely as euhedral crystals, to 50 µm, ...
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This paper reports on the dose response and fading effect of the blue thermoluminescence (TL) emission of lithium-rich aluminosilicates (virgilite–petalite ...
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In the TiO2-containing glasses, virgilite was primarily crystallized. The degree of crystallinity was considerably improved at 900 °C. Virgilite was ...
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Above 700°C, the LiAl-silicate virgilite took the place of petalite + quartz [also see London, (1984)]. A new and presumably metastable LiAl-silicate with feldspar stoichiometry (LiAl silicate, Tables 6 and 7) occurred with quartz at 675 and 700°C. Experiments below 675°C grew petalite (petalite, Table 7) plus quartz.
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It will be appreciated that in addition to beta spodumene, other phases such as virgilite may form. In order to ensure such beta spodumene structure, the glaze composition includes a material that promotes the formation of betaspodumene during firing.
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