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Ordonezite from the Theodoso Soto Mine, Sapioris, Durango, Mexico: new data and structure refinement

Canadian Mineralogist

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Abstract

A new occurrence of the rare mineral species ordonezite has been found at the Theodoso Soto tin mine, near Sapioris, Durango, Mexico. The average composition of the samples is (Zn0.98Fe0.02)Σ1.00Sb2.00O6; the core of the crystals is slightly richer in Fe than the rim. The mineral is uniaxial (+), with all n greater than 2.30 (ncalc is 2.38 at 589 nm); Dobs 6.66 g/cm3, Dcalc 6.67 g/cm3. It is isostructural with ferrotapiolite, with a 4.668(2), c 9.269(6) A (from powder-diffraction data), space group P42/mnm, and is twinned on {103}. Its crystal structure, refined to R=4.1, wR=4.3% using 163 observed reflections, is fully cation-ordered.

Geospatial Extents

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Ordonezite from the Theodoso Soto Mine, Sapioris, Durango, Mexico: new data and structure refinement
Series title:
Canadian Mineralogist
Volume
40
Year Published:
2002
Language:
English
Publisher:
Mineralogical Association of Canada
Contributing office(s):
Denver Federal Center
Description:
4 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1207
Last page:
1210
Number of Pages:
4
Country:
Mexico
City:
Durango
Other Geospatial:
Sapioris;Theodoso Soto Mine