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Federweiss

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About FederweissHide

This page provides mineralogical data about Federweiss.


Unique IdentifiersHide

Mindat ID:
10141
Long-form identifier:
mindat:1:1:10141:1

Similar NamesHide

FederweißA synonym of Talc

Chemical AnalysisHide

Oxide wt%:
 123
SiO261.90 %61.30 %61.32 %
P2O50.07 %
TiO20.02 %0.07 %0.08 %
A12O30.70 %
FeO0.33 %2.99 %5.65 %
MnO0.00 %0.02 %0.05 %
MgO30.58 %29.03 %28.04 %
CaO0.02 %0.09 %0.12 %
Na2O0.04 %0.06 %0.02 %
K2O0.00 %0.03 %0.02 %
Al2O30.59 %0.10 %
Cr2O30.05 %0.06 %
Total:93.66 %94.23 %95.46 %
Empirical formulas:
Sample IDEmpirical Formula
2Mg2.80Fe0.16Ca0.01Na0.01Al0.05Si3.97O10 OH2
3Mg2.71Fe0.31Ca0.01Al0.01Si3.97O10 OH2

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020723TalcDrits V A, Guggenheim S, Zviagina B B, Kogure T (2012) Structures of the 2:1 layers of pyrophyllite and talc Clays and Clay Minerals 60 574-5872012Harford County, Maryland, USA0293
0010839TalcPerdikatsis B, Burzlaff H (1981) Strukturverfeinerung am talk Mg3[(OH)2Si4O10] Zeitschrift fur Kristallographie 156 177-1861981Harford County, Maryland, USA0293
0010541TalcGruner J W (1934) The crystal structures of talc and pyrophyllite Zeitschrift fur Kristallographie 88 412-4191934Harford County, Maryland, USA0293
CIF Raw Data - click here to close

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Federweiss in petrologyHide

Internet Links for FederweissHide

References for FederweissHide

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Localities for FederweissHide

Showing 5,369 localities.

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