Chemické složení turmalínu z elbaitového pegmatitu Dolní Rožínka

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Title in English Chemical composition of tourmaline from the Dolní Rožínka elbaite pegmatite
Authors

NOVOTNÝ František NOVÁK Milan CEMPÍREK Jan

Year of publication 2019
Type Article in Periodical
Magazine / Source Bulletin Mineralogie Petrologie
MU Faculty or unit

Faculty of Science

Citation
Web http://www.bullmineral.cz/paper/195
Keywords lithium; boron; granitic pegmatite; tourmaline; biotite; elbaite subtype; schorl; electron microprobe
Description Chemical composition of tourmaline in the elbaite-subtype granitic pegmatite at Dolní Rožínka records evolution of pegmatitic melt during crystallization. Chemistry of six textural-paragenetic types of tourmaline. Evolution of tourmaline in the Li-pegmatite at Dolní Rožínka is in many aspects (such as tourmaline textures and chemical composition) similar to the elbaite-subtype pegmatite at Pikárec (which reached higher amounts of Mn). On the other hand, the elbaite pegmatite at Řečice is texturally and chemically (especially in higher F and Ca contents in tourmaline) rather different.
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