eckrita Mineral Data, minerology database

Mineral Reference Lookup for eckrita

This reference page contains mineralogic data for eckrita 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 eckrita in the database: Eckrita

Mineralogical Reference

eckrita

Mineral	Eckrita
Synonym	Winchite

Winchite (synonym)

Mineral	Winchite
Chemistry	[][NaCa]Mg 4 (AlFe 3+ )[Si 8 O 22 ](OH) 2
Color	Cobalt-blue to violet-blue
Luster	Vitreous
Transparency	Monoclinic
CrystalSystem	Monoclinic
Hardness	5½
Streak	Pale blue-grey
IMAStatus	Approved
Discovered	1906
CellParameters	a = 9.83b = 18.06c = 5.3 β=104.45°
Ratio	a:b:c = 0.544 : 1 : 0.293
OpticalType	Biaxial (+)
RI	n α =1.636 n β =1.646 n γ =1.658
Birefringence	δ=0.022
SurfaceRelief	Moderate
TypeLocality	Kajlidongri mine Jhabua district Madhya Pradesh India
Strunz	8/F.09-90 8 : Silicates F : Inosilicates (chain and band) double chains [Si2O6]4- 09 : Amphibole groupRichterite - Ferrobarroisite series

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