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Achrematite

Colour:Sulphur-yellow, orange, ...
Name:From the Greek άχρήματος for "useless," in allusion to the absence of silver in the material.
A Mixture Of:Mimetite, Wulfenite


A mixture of Mimetite and Wulfenite.

Originally reported from Guanacere, Chihuahua, Mexico.

Classification of Achrematite

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Physical Properties of Achrematite

Lustre:Adamantine, Resinous
Colour:Sulphur-yellow, orange, red

Other Names for Achrematite

German names:
Achrematit
Spanish names:
Achrematita

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 Achrematite

Reference List:Mallet (1875) Journal of the Chemical Society, London: 28: 1141.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1085.

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    Localities for Achrematite

    (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.
    Mexico
     
    • Chihuahua
    		Mallet (1875) Journal of the Chemical Society, London: 28: 1141; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1085; Clark, 1993 - "Hey's Mineral Index, 3rd Edition."
    Mineral and/or Locality
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    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.