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Althausite from
Overntjern Quarry, Overntjern, Modum, Buskerud, Norway


08931840017272005015754.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
03436130017463882842494.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
07818670017272005015663.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
07112430017271920799270.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
02893970017371985857194.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
01797600017463873596764.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
01522050017371985862323.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
03476710017371985862870.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
08931840017272005015754.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
09003100017466166449865.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
07818670017272005015663.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
07112430017271920799270.jpg
Althausite, etc.

Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
Locality type:Quarry
Classification
Species:Althausite
Formula:Mg4(PO4)2(OH,O)(F,◻)
Chemical Analyses:
Oxide wt%:
1
MgO50.50 %
P2O544.40 %
F3.04 %
FeO0.80 %
Total:98.74 %
Sample references:
1 -
Rømming, Christian, Raade, Gunnar (1980) The crystal structure of althausite, Mg4(PO4)2(OH,O) (F,[]) American Mineralogist, 65 (5-6) 488-498
Comments:It is gray in color because of inclusions of magnetite and xenotime. It is also intimately associated with apatite. It occurs in cleavable masses up to several hundred grams and is altered to apatite along the cleavages.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Apatite11
Magnesite6
Hematite5
Clinochlore5
- var Leuchtenbergite3
Lizardite3
Phosphoellenbergerite2
Serpentine Subgroup2
Talc1
Data
Mineral Data:Click here to view Althausite data
Locality Data:Click here to view Overntjern Quarry, Overntjern, Modum, Buskerud, Norway
Photo GalleryView Gallery (22 photos)
Data Identifiers
Mindat Occurrence Record ID:441
Long-form Identifier:1:3:441:3
GUID (UUID V4):0
Nearest other occurrences of Althausite
1.1km (0.7 miles) ⓘTingelstadtjern Quarry, Modum, Buskerud, Norway
12.7km (7.9 miles) ⓘDypingdal serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway
References
Raade, Gunnar, Tysseland, Magne (1975) Althausite, a new mineral from Modum, Norway. Lithos, 8 (3) 215-219 doi:10.1016/0024-4937(75)90038-9
Rømming, Christian, Raade, Gunnar (1980) The crystal structure of althausite, Mg4(PO4)2(OH,O) (F,[]) American Mineralogist, 65 (5-6) 488-498
 
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