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Knebelite

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Big Photo

Dzhimidon Pb-Zn deposit, Sadon ore district, North Ossetia Republic, Northern Caucasus Region, Russia
© Pavel M. Kartashov

Show Knebelite Photos (2)



Formula:
from (Fe
 
1.5
Mn
 
0.5
)
 
2
SiO
 
4
 to (Mn
 
1.5
Fe
 
0.5
)
 
2
SiO
 
4
A variety of Fayalite-Tephroite Series

Definitions vary (manganoan fayalite or intermediate member of the Fayalite-Tephroite Series).

Classification of Knebelite

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Chemical Properties of Knebelite

Formula:
from (Fe
 
1.5
Mn
 
0.5
)
 
2
SiO
 
4
 to (Mn
 
1.5
Fe
 
0.5
)
 
2
SiO
 
4
Essential elements:Fe, O, Si
All elements listed in formula:Fe, Mn, O, Si

Other Names for Knebelite

Synonyms:
Igelströmite (of Weibull)
Other Languages:
German:Knebelit
Simplified Chinese:锰铁橄榄石
Spanish:Knebelita

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 Knebelite

Reference List:

- +
J.W. Dobereiner (1817): Jour. Ch. Ph., xxi, p. 49. [Analysis by Dobereiner: silica : 32.5, protoxide of manganese: 35.0, protoxide of iron: 32.0, total 99.5%; the original paper does not give a locality for knebelite, but a later paper mentioned in Dana 6, p 457, gives the locality as found in granite near Ilmenau.]

Internet Links for Knebelite

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    • Localities for Knebelite

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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. Current server date and time: 2nd Jul 2011 13:12:08
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