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Forcherite

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Holzbrücken mill, Ingering valley, Knittelfeld, Styria, Austria

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Name:Named for Mr. Forcher, who first collected the material.
A variety of Opal

A yellow to orange variety of opal, owing its colour to microscopic inclusions of orpiment and realgar.
Originally reported from Holzbrücken mill, Ingering valley, Knittelfeld, Styria, Austria.

Classification of Forcherite

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Other Names for Forcherite

Other Languages:
German:Forcherit

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 Forcherite

Reference List:

- +
Aichhorn: Wiener Ztg., Abendbl., 11.07.1860

C. Hintze: Handbuch der Mineralogie, 1915, p. 1518

Internet Links for Forcherite

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    • Localities for Forcherite

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    (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.
    Austria
     
    • Styria
      • Knittelfeld
        • Ingering valley
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    France
     
    • Auvergne
      • Puy-de-Dôme
        • Champeix
          • Saint-Nectaire
    		Alain TUEL collection
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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