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Name:After Frank Guiterman, Metallurgist and Chemist, of Denver, Colorado, USA

Uncertain material, may be a mixture.

Originally reported from Zuni Mine (Zuñi Mine), Anvil Mountain, Silverton, Silverton District, San Juan Co., Colorado, USA.

Classification of Guitermanite

IMA status:Not Approved
Explanation of status:XRD of type material showed jordanite lines. Polished section showed jordanite and mixture with similar unknown material.
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Physical Properties of Guitermanite

Diaphaneity (Transparency):Opaque
Hardness (Mohs):3

Chemical Properties of Guitermanite

Simplified for copy/paste:Pb10As6S19 (?)
Essential elements:As, Pb, S
All elements listed in formula:As, Pb, S

Other Names for Guitermanite

Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Guitermanite

Reference List:

- +
Hillebrand (1884) Colorado Science Society, Proceedings: 1: 129.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 401.

Minerals of Colorado.

Internet Links for Guitermanite

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  • Localities for Guitermanite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    • Colorado
      • San Juan Co.
        • Red Mountain District
          • Anvil Mountain
    Rocks & Minerals 71:2 pp94-101; A. Rosenzweig (1957) Mineralogical Notes on the Silverton Quadrangle, Colorado. in 8th Field Conference New Mexico Geological Society. pp199-202
    • New York
      • St. Lawrence Co.
        • Balmat-Edwards Zinc District
    NY State Museum spec. no.
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