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(Mn,Mg)9(As3+O3)(AsO4)2(OH)9.2H2O
Triclinic
Synadelphite, a manganese arsenite arsenate hydroxide hydrate mineral, was first noted from Sterling Hill by Moore and Ito (1978). It occurs as dark brown fascicles (2-3 mm) of distorted crystals, intimately associated with kraisslite and allactite on a slip surface in the ore. A microprobe analysis by the writer is given in Table 25. It is best verified using X-ray methods. Synadelphite has not been reported from Franklin, and it is a very rare mineral locally.
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| Copyright © 1995 by Pete J. Dunn |
Website
by Herb Yeates
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Link
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This
page created: January 11, 2001 |
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