Pinalite, new lead tungsten chloride mineral from the Mammoth Mine, Pinal County, Arizona

Pinalite, Pb3WO5Cl2 is orthorhombic, A2aa or Amaa, with a 11.073(5), b 13.086(8), c 5.624(3) Angstrom, Z = 4; the strongest lines in the X-ray powder-diffraction pattern are 2.926(10), 3.778(9), 1.642(5), 3.284(4), 2.814(4). Pinalite occurs as exceedingly rare, bright yellow, acicular, bladed crysta...

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Veröffentlicht in:	The American mineralogist 1989-08, Vol.74 (7-8), p.934-935
Hauptverfasser:	Dunn, Pete J, Grice, Joel Denison, Bideaux, Richard A
Format:	Artikel
Sprache:	eng
Schlagworte:	Arizona chemical composition chlorides crystal structure formula halides lead-tungsten chlorides Mammoth Mine mineral data mineralogy minerals new minerals nonsilicates Pinal County Arizona pinalite south-central Arizona United States X-ray diffraction data
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Beschreibung
Zusammenfassung:	Pinalite, Pb3WO5Cl2 is orthorhombic, A2aa or Amaa, with a 11.073(5), b 13.086(8), c 5.624(3) Angstrom, Z = 4; the strongest lines in the X-ray powder-diffraction pattern are 2.926(10), 3.778(9), 1.642(5), 3.284(4), 2.814(4). Pinalite occurs as exceedingly rare, bright yellow, acicular, bladed crystals (0.03 times 0.01 times 0.2 mm in size), associated with leadhillite, cerussite and other minerals at the Mammoth mine, Pinal County, Arizona. The name is for the county in which the new mineral occurs.
ISSN:	0003-004X 1945-3027