dannemorita Mineral Data, minerology database

Mineral Reference Lookup for dannemorita

This reference page contains mineralogic data for dannemorita and folklore and metaphysical beliefs. If the mineral is an alternate naming of a more common name, the more common mineral's data is displayed below the list of synonyms.

Minerals matching dannemorita in the database: Dannemorita

Mineralogical Reference

dannemorita

Mineral	Dannemorita
Synonym	Manganogrunerite

Manganogrunerite (synonym)

Mineral	Manganogrunerite
Chemistry	[]Mn 2 Fe 2+ 5 [Si 8 O 22 ](OH) 2
Color	nd
Luster	Vitreous
CrystalSystem	Monoclinic
Hardness	5 - 6
Streak	nd
IMAStatus	Approved
OpticalType	Biaxial (+/-)
RI	n α =1.638 n β =1.651 n γ =1.665
Birefringence	δ=0.027
SurfaceRelief	Moderate
TypeLocality	Dannemora mineÖsthammar Uppland Sweden
Strunz	8/F.07-50 8 : Silicates F : Inosilicates (chain and band) double chains [Si2O6]4- 07 : Amphibole groupMagnesiocummingtonite - Ferroclinoholmquistite series

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