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Anthophyllite from
Mautia Hill, Kongwa, Kongwa District, Dodoma Region, Tanzania


Locality type:Hill
Classification
Species:Anthophyllite
Formula:◻Mg2Mg5(Si8O22)(OH)2
Chemical Analyses:
Oxide wt%:
1
P2O50.02 %
SiO253.35 %
TiO20.07 %
Al2O311.69 %
V2O30.01 %
Cr2O30.03 %
Sc2O30.01 %
Fe2O3*0.86 %
FeO*1.49 %
MnO0.46 %
CoO0.01 %
NiO0.03 %
ZnO0.02 %
MgO28.73 %
CaO0.62 %
SrO0.02 %
Na2O0.15 %
K2O0.01 %
F0.05 %
H2O (by stoichiometry)2.23 %
-O=F-0.02 %
Total:99.84 %
Empirical formulas:
1◻1.00(Mg1.65Fe2+0.17Ca0.09Mn2+0.05Na0.04)(Mg4.01Al0.88Fe3+0.09Ti0.01)[Si7.06Al0.94O22]([OH]1.97F0.02O0.01)
Sample references:
1pt. 50
Frank K. Mazdab Collection
Comments:single large yellowish splintery crystal with intergrown patches of talc and "green" yoderite; specimen was acquired for green yoderite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anthophyllite data
Locality Data:Click here to view Mautia Hill, Kongwa, Kongwa District, Dodoma Region, Tanzania
Data Identifiers
Mindat Occurrence Record ID:1482688
Long-form Identifier:1:3:1482688:5
GUID (UUID V4):0
References
Frank K. Mazdab Collection
 
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