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Mineral Reference Lookup for Pachnolit

This reference page contains mineralogic data for Pachnolit 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 Pachnolit in the database: Pachnolit   Pachnolita   PACHNOLITE  

Mineralogical Reference

Pachnolit
MineralPachnolit
SynonymPachnolite

Pachnolite (synonym)

MineralPACHNOLITE
ChemistryNaCaAlF 6 ·H 2 O
ClassHalides
UsesAs mineral specimens.
ColorColourlesswhite
LusterVitreous
CrystalSystemMonoclinic
CrystalHabitsinclude prismatic crystals with steep pyramidal terminations. Also pseudo-orthorhombic twinned prismatic crystals are common but tabular crystals are rare.
Fracturevery indistinct.
Hardness3
Occurenceslimited to Ivigtut, Greenland.
Indicatorscrystal habit, associations, locality and lack of good cleavage.
DensityNoteaverage
IMAStatusApproved
Discovered1863
CellParametersa = 12.14b = 10.41c = 15.72 β=90.33°
Ratioa:b:c = 1.166 : 1 : 1.51
OpticalTypeBiaxial (+)
RIn α =1.411 n β =1.413 n γ =1.420
Birefringenceδ=0.009
SurfaceReliefModerate
TypeLocalityCryolite deposit Ivittuut ( Ivigtut) Arsuk Firth Arsuk Kitaa ( West Greenland) Province Greenland
Strunz3/C.02-10 3 : Halides C : Double halogenides with waterFluorides 02 : Pachnolite - Yaroslavite series
TEBD_058
TEPND_021
BRZBD_054
ARFTUM_052
JSLEOBD_190
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