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Knebelite

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Formula:
from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
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 (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
Essential elements:
All elements listed in formula:

Other Names for Knebelite

Name in Other Languages:
Simplified Chinese:锰铁橄榄石
Spanish:Knebelita

Other Information

Health Risks:
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

Localities for Knebelite

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.
Mineral and/or Locality  
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