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Synthetic Argontojarosite: Physical Properties and Thermal Behavior.

Authors
May-A; Sjoberg-JJ; Baglin-EG
Source
Am Mineralogist 1973 58:936-941
Link
NIOSHTIC No.
10010749
Abstract
Artificial argentojarosite, ag2fe6(oh)12(so4)4, prepared in connection with Bureau of Mines research on refractory silver ores, has been synthesized in considerably greater quantities than in previous studies. As a result, a detailed study of its thermal decomposition, optical properties, and physical properties was possible by a combination of chemical analyses, differential thermal analyses, x-ray diffraction, and optical techniques. Cell dimensions are a = 7.347 (+/-0.010), C = 16.580 (+/-0.053); Refractive indices are e = 1.789-1.790, W = 1.889-1.890. Twenty- nine observed x-ray diffraction reflections including reflection indices, relative intensities, and observed and calculated d- spacings are listed.
Publication Date
19730101
Document Type
OP;
Fiscal Year
1973
NTIS Accession No.
NTIS Price
Identifying No.
OP 169-73
Source Name
Am. Mineralogist, V. 58, September-October 1973, PP. 936-941
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