gadolinite-(y) Mineral Data, minerology database

Mineral Reference Lookup for gadolinite-(y)

This reference page contains mineralogic data for gadolinite-(y) 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 gadolinite-(y) in the database: Gadolinite-(Y)

Mineralogical Reference

gadolinite-(y)

Mineral	Gadolinite-(Y)
Chemistry	Y 2 Fe 2+ Be 2 [O\|SiO 4 ] 2
Color	black Greenish -black brown
Luster	Vitreous
Transparency	Monoclinic
CrystalSystem	Monoclinic
Hardness	6½ - 7
IMAStatus	Approved
OpticalType	Biaxial (+)
RI	n α =1.770 n β =1.790 n γ =1.820
Birefringence	δ=0.050
SurfaceRelief	Very High
TypeLocality	Ytterby Resarö Vaxholm Stockholm Sweden
Strunz	8/B.29-50 8 : Silicates B : Nesosubsilicateswith anions unfamiliar to tetrahederscations of octahedral and tetrahedral orientation [4/6] 29 : Datolite/Gadolinite group

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