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Hydroxyapophyllite-(K) from
Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway


03160500017464513722440.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
07955440017271982827175.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
08584680017367341708703.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
03160500017464513722440.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
08332500017271982662946.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
09568210017362702476015.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
03160500017464513722440.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
07955440017271982827175.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
08584680017367341708703.jpg
Hydroxyapophyllite-(K)

Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
Locality type:Mine
Classification
Species:Hydroxyapophyllite-(K)
Formula:KCa4(Si8O20)(OH,F) · 8H2O
Chemical Analyses:
Oxide wt%:
1
SiO252.99 %
Al2O30.19 %
CaO25.42 %
MgO0.01 %
FeO0.03 %
Na2O0.20 %
K2O4.89 %
Rb2O0.02 %
F0.01 %
H2O+16.87 %
Total:100.63 %
Empirical formulas:
1(K0.94Na0.06)Ca4.10(Si7.98Al0.02)O20(OH)1.18
Sample references:
1 -
Larsen, Alf Olav (1981) Hydroxyapophyllite from the Mofjellet mine, Mo i Rana, northern Norway. Contributions to the mineralogy of Norway, No. 66. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 61 (3-4) 297-300
Comments:As a up to 2 cm thick coarsely crystalline crust. The individual crystal faces are up to 2cm across
Habit:Aggregates of twinned crystals. Crystals have a nearly cube-like apperance showing well-developed prism {100} and small dipyramid {111}
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Thaumasite1
Data
Mineral Data:Click here to view Hydroxyapophyllite-(K) data
Locality Data:Click here to view Mofjellet Base Metal Mine, Mofjellet, Rana, Nordland, Norway
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:170964
Long-form Identifier:1:3:170964:3
GUID (UUID V4):0
References
Larsen, Alf Olav (1980) Fluorapofyllitt og hydroksyapofyllitt. NAGS-NYTT, 7 (2) 36-37
Larsen, Alf Olav (1981) Hydroxyapophyllite from the Mofjellet mine, Mo i Rana, northern Norway. Contributions to the mineralogy of Norway, No. 66. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 61 (3-4) 297-300
 
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