Encyclopedia

malladrite

malladrite

[mə′lä‚drīt]
(mineralogy)
Na2SiF6 A hexagonal mineral composed of sodium fluosilicate, occurring as small crystals in volcanic holes in Vesuvius.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Existing mineral nomenclature already displays a number of examples of unfortunately similar names that are easily confused; names such as celadonite and caledonite, or mallardite and malladrite can easily be misspelled; names such as rhodesite, rhodizite and rhodusite are euphonically very similar.
The IMA Commission on New Minerals and Mineral Names: Procedures and Guidelines on Mineral Nomenclature 1998
No fewer than 30 other halides are found there, including carobbite, sellaite, lawrencite, scacchite, molysite and malladrite. In the case of cotunnite, chloride acts both as a carrier of lead in the gas phase and as a reactant in the formation of the mineral.
Italian connections (II) - Vesuvius
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