Jahnsite-(CaMnFe) Mineral Data, minerology database

Mineral Reference Lookup for Jahnsite-(CaMnFe)

This reference page contains mineralogic data for Jahnsite-(CaMnFe) 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 Jahnsite-(CaMnFe) in the database: Jahnsite-(CaMnFe)

Mineralogical Reference

Jahnsite-(CaMnFe)

Mineral	Jahnsite-(CaMnFe)
Chemistry	CaMn 2+ Fe 2+ 2 Fe 3+ 2 [OH\|(PO 4 ) 2 ] 2 · 8H 2 O
Color	brown Purplish brown Yellow Yellow orange
Luster	AdamantineVitreous
CrystalSystem	Monoclinic
Cleavage	Distinct/Good Good on the {001}
Hardness	4
SpecificGravity	2.95 g/ccm
Streak	White
IMAStatus	Approved
CellParameters	a = 15.01b = 7.15c = 9.87 β=111.23°
Ratio	a:b:c = 2.099 : 1 : 1.38
TypeLocality	Tip Top Mine Fourmile Custer District Custer Co. South Dakota U S A
Strunz	7/D.29-60 7 : PhosphatesArsenatesVanadates D : Water-bearing phosphates with unfamiliar anionsmostly cations of small size: BeLi 29 : Whiteite - Jahnsite group

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