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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)
MineralGadolinite-(Y)
ChemistryY 2 Fe 2+ Be 2 [O|SiO 4 ] 2
Colorblack Greenish -black brown
LusterVitreous
TransparencyMonoclinic
CrystalSystemMonoclinic
Hardness6½ - 7
IMAStatusApproved
OpticalTypeBiaxial (+)
RIn α =1.770 n β =1.790 n γ =1.820
Birefringenceδ=0.050
SurfaceReliefVery High
TypeLocalityYtterby Resarö Vaxholm Stockholm Sweden
Strunz8/B.29-50 8 : Silicates B : Nesosubsilicateswith anions unfamiliar to tetrahederscations of octahedral and tetrahedral orientation [4/6] 29 : Datolite/Gadolinite group
AVSPH30_078
CORBD_119
OBATSPC_059
SRDBD_184
TOBKPND_012
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