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Mineral Reference Lookup for Tacharanite

This reference page contains mineralogic data for Tacharanite 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 Tacharanite in the database: Tacharanite  

Mineralogical Reference

Tacharanite
MineralTacharanite
ChemistryCa 12 Al 2 Si 18 O 51 ยท18H 2 O
Colorwhite translucent
TransparencyMonoclinic
CrystalSystemMonoclinic
Hardness5
IMAStatusApproved
Discovered1961
CellParametersa = 17.07b = 3.65c = 27.9 β=114.1°
Ratioa:b:c = 4.677 : 1 : 7.644
OpticalTypeBiaxial (+)
RIn α =1.518 - 1.525 n γ =1.530 - 1.537
Birefringenceδ=0.012
SurfaceReliefModerate
TypeLocalityPortree Trotternish Isle of Skye North West Highlands ( Inverness-shire) Scotland U K
Strunz8/F.21-40 8 : Silicates F : Inosilicates (chain and band) double chains [Si2O6]4- 21 : Nekoite - Tacharanite series
AVSPH14_125
SSSDPEND_002
OPLTBD_005
ARFTUM_027
TESPC_002
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