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Tirodi Mine, Tirodi, Balaghat District, Madhya Pradesh, India
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Magnesio-arfvedsonite
Tirodi Mine, Tirodi, Balaghat District, Madhya Pradesh, India
 
 
A manganese mine owned by Manganese Ore India, Ltd.

Photos of the blue-violet amphiboles from here are labeled magnesisio-arfvedsonite as this is the dominant species found in these crystals. The amphiboles are however zoned and analyses of individual crystals may show other species.

The tan-yellowish amphiboles from here show a wide range of compositions ranging from mangano-cummingtonite, ferri-ghoseite and ferri-winchite/ferri-katophorite. Some analyses also corresponds to unnamed minerals in the Na-Mn amphibole sub-group. The photos of these amphiboles are labeled ferri-ghoseite, but the specimens may contain a range of amphiboles, where ferri-ghoseite may or may not be one of them.

See http://www.mindat.org/article.php/1656/Amphiboles+from+the+Methamorphic+Manganese+Ores+of+Central+India for details.

Mineral List

Aegirine-augite
var: Blanfordite

Braunite
Cryptomelane
Ferri-ghoseite (TL)
Ferri-winchite
Hollandite
'K Feldspar'
Magnesio-arfvedsonite
Manganocummingtonite (TL)
Quartz
Rhodonite
Spessartine
Winchite


13 entries listed. 10 valid minerals. 2 type localities (valid minerals). 1 erroneous literature entry.

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References

- Dunn & Roy (1938)
- Am. Min.: 25: 380 (1940)
- Can. Min.: 15:309 (1977)
- Mining Annual Review (1985): 393

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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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