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


Locality type:Quarry
Classification
Species:Althausite
Formula:Mg4(PO4)2(OH,O)(F,◻)
Chemical Analyses:
Oxide wt%:
1
MgO50.5 %
P2O544.4 %
F3.04 %
FeO0.80 %
Total:98.74 %
Sample references:
1 -
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 photos of Althausite associated with Apatite at this locality.
Magnesite6 photos of Althausite associated with Magnesite at this locality.
Hematite5 photos of Althausite associated with Hematite at this locality.
Leuchtenbergite3 photos of Althausite associated with Leuchtenbergite at this locality.
Lizardite3 photos of Althausite associated with Lizardite at this locality.
Phosphoellenbergerite2 photos of Althausite associated with Phosphoellenbergerite at this locality.
Serpentine Subgroup2 photos of Althausite associated with Serpentine Subgroup at this locality.
Clinochlore2 photos of Althausite associated with Clinochlore at this locality.
Talc1 photo of Althausite associated with Talc at this locality.
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):d5df5177-12c4-43ed-b72e-f16ca23d9d8d
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
Reference Search (possible matching items)
Report (issue)
Althausite Mg2 (PO4 )(OH, F, O) c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic...Z=8 X-ray Powder Pattern: Tingelstadtjern quarry, Norway. 3.593 (100), 3.316 (90), 3.024 (80), 2.786...[100.00] 2.10 1.26 98.7 (1) Tingelstadtjern quarry, Norway. (2) Do.; recalculated after deduction of apatite...00 [(OH)0.37 F0.25 O0.19 ]Σ=0.81 . (3) Overntjern quarry, Norway; by electron microprobe, total Fe as FeO...holtedahlite. In serpentine–magnesite deposits (Norway). Association: Apatite, magnetite, xenotime, holtedahlite
Journal (article/letter/editorial)
serpentin-magnesitt forekomst ved Tingelstadtjern i Snarum, Modum, Buskerud. Her opptrer althausitt sammen med serpentin...en annen serpentinmagnesittforekomst i Snarum: Overntjern. Her opptrer althausitt med rødbrun farge og...(1975): Althausite, a new mineral from Modum, Norway. LITHOS 8, 215-219 Raade, G. (1979): Althausite, a new...new mineral from Modum, Norway: Addendum. LITHOS 12, 288 Raade, G. (1996): Minerals originally described...described from Norway. Including notes on type material. Bergverksmuseets Skrift 11, 1-107, Plate 1-7 Rømming
Journal (article/letter/editorial)
magnesiumfosfater fra magnesitt-serpentin-forekomster pit Modum Gunnar Raade INNLEDNING Det er i alt kjent 13...13 forekomster av magnesitt-serpentin i Modum (J0sang, 1966). Vest for Snarumselva har vi f0lgende, fra...S0r mot nord: Trekasth0gda, Tingelstadtjern, Overntjern, Ammundrud, Hulebak, Flaten, Nes, Langerud og...vestligste forekomstene - Tingelstadtjern og Overntjern - er karakterisert ved opptreden av bade apatitt...En m0rkebrun, thoriumrik apatitt er typisk for Overntjern. Althausitt omdannes lett til apatitt langs sprekker
Journal (article/letter/editorial)
pages 4gg_49g, Igg0 The crystal structure of althausite,Mg.(pOJ2(OH,O)(F,D) CunIsrnN RoutvilNc Kjemisk...Institutt, (Jniyersiteteti Oslo, Blindern, Oslo 3, Norway AND GUNNEN Instituttfor Geologi, (lniversitetet...(lniversitetet RAEOS i Oslo, Blindern, Oslo 3, Norway Abstract The crystal structure of althausitewas solved...thereforeMgo@Oo)r(OH,OXF,!)with Z: 4. The cleavagesin althausite, {00U perfect and {l0l} distinct, occur along...changed ac_ The new magnesium-phosphate mineral althausite cordingly to X: c, y : b, Z : a, OAp (010), a-nd
Journal (article/letter/editorial)
thorium-rich magnesium phosphate from Overntjern, Modum, Norway Gunnar Raade Introduction The interesting...occurring at two of the Modum magnesite-serpentine deposits (Tingelstadtjern and Overntjern) was reviewed by...by Raade (1999). The minerals are althausite, holtedahlite, heneuite, raadeite and phosphoellenbergerite...metamict, thorium-rich magnesium phosphate from Overntjern was briefly mentioned in the same paper. A more...thorium-rich apatite which is quite typical of the Overntjern deposit. A partial electron-microprobe (EMP)
Journal (article/letter/editorial)
(1966): Note on powellite (CaMoO4), a new mineral for Norway. Norsk Geologisk Tidsskrift 46, 121122. Raade,...Oslo Region. Contributions to the mineralogy of Norway, No. 39. Norsk Geologisk Tidsskrift 48, 259. Raade...Eiker Church. Contributions to the mineralogy of Norway, No. 40. NorskGeologisk Tidsskrift 49, 227-239...new hydrous basic carbonate of magnesium, from Norway. American Mineralogist 55, 1457-1465. Raade, G...anorthosite. Contributions to the mineralogy of Norway, No. 43. Norsk Geologisk Tidsskrift 50, 241-243
Journal (article/letter/editorial)
Mg7(PO4)2(OH)8: a new dense-packed phosphate from Modum (Norway) CHRISTIAN CHOPIN1,*, GIOVANNI FERRARIS2, MAURO...body, Modum district, Norway. It occurs as veinlets, a few tens of µm wide, crosscutting althausite crystals;...inclusions in holtedahlite; and with apatite, althausite and magnesite in fibrous coronae replacing heneuite...collinsite, Modum district (Norway). Introduction The magnesite-serpentine deposits of the Modum district...district, southern Norway, are known for their uncommon suite of magnesium minerals: carbonates, like dypingite
Journal (article/letter/editorial)
Minerals of Norway - the (almost) complete inventory Gunnar Raade Preamble A monographic survey of the...the minerals of Norway (Norges Mineraler) was published by Neumann (1985), covering all minerals recorded...and synonyms. A large number of minerals new to Norway have been recorded since the book appeared. The...attempt to list all accepted mineral species from Norway, including those from Neumann (1985) and later...& Nickel 2001). Names of minerals discovered in Norway after the edition of Neumann's monograph are in
Journal (issue)
en annen serpentinmagnesittforekomst i Snarum: Overntjern. Her opptrer althausitt med rødbrun farge og...serpentin-magnesitt forekomst ved Tingelstadtjern i Snarum, Modum, Buskerud. Her opptrer althausitt sammen med serpentin...(1975): Althausite, a new mineral from Modum, Norway. LITHOS 8, 215-219 Raade, G. (1979): Althausite, a new...new mineral from Modum, Norway: Addendum. LITHOS 12, 288 Raade, G. (1996): Minerals originally described...described from Norway. Including notes on type material. Bergverksmuseets Skrift 11, 1-107, Plate 1-7 Rømming
Journal (issue)
mineraler.TorWits| om en Sjelden dolomitt ved Overntjern. Nye bok- og kartanmeldelser (NGU) er klare....Gunnar Raade already was the member of the CNMMN for Norway. We had met previously at a meeting, but I didn't...never missed one of my about Gunnar. deadlines. Norway has a long history of mineralogy and has been the...of some granite pegmatites near Krager6, Southem Norway. Norsk Geol. Tidsskr., 11 , l-16 Foord; E. E. et...Geology of the Storkollen- Blankenberg area Kragerq, Norway. Norsk Geol. Tidsskr., 36, 89-140 Mus.,38-39 Kristiansen
Journal (volume)
discoveries from the Larvik Plutonic Complex, southern Norway 47 Harald Oskar Folvik Mineralene fra Skjerpemyr...F-rich richterite from the Hydro quarry, Fen complex, Southern Norway: crystallographic data and crystal-chemistry...locality at the Kjennerudvann lake, Kongsberg, Norway 110 Roy Kristiansen and Hans Christian Olsen...old, new mineral to Norway 116 Roy Kristiansen Lithium mineralization in Norway: a review 119 Gunnar...pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum Skrifter 38, 5-28. Husdal
Catalog/List
rich black masses samewith felspar.(Buer Vesteroya Norway) lxl El.BO lx2 E3.60 006 ALBITE rich orange red...Eclogite rock.(West Coast of Norway) lx2 El.20 2x2 f2.50 2x4 E5.00 Oll ALTHAUSITE MgP0/4 rich browngrey solid...solid cleavage in Clinochlore (Overntjern,Modum Norway) lxl E2.70 lx2 E4.60 012 ALUMINITEpure whit~ sphere... grey-green somewith Serpentine. (CountyBridge Quarry, Lizard) lxl 90p lx2 fl.50 2x2 f3.00 024 NATIVE~...distribution of browngrains in grey YTTROFLUORITE.{Drag Norway) lx2 E2.70 2x2 ES.SO 048 BAUX1'rE rich red b101
Catalog/List
atrlbution of browngrains in grey YTTROFLUORITE (Drag Norway) lx2 EJ.00 2x2 E6.00 378 STILLWILLITI Ce Ce La...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Hendips,Somerset) ij X l El.60 1 x H E2.50 200...(Hydrothermalalteration of Nepheline) (Tvedalen Norway) lx,1 60p lx2 El. 20 187 COWLESITE Zeolite c,roup...creaP.1ymasses with Doehraite or Diaspo!E. (Saga Quarry, Tveoulen ~or~ayi lxl f.l.?.O lx2 f.2.7.0 7.x2E4...111icro crystals in Cavities In Basalt. (Vitiello Quarry, near Terzigno, Vesuvlus Italy) 1 x 1/2ins f5 1/2
Catalog/List
distribution of trown grains in grey YTTROFLUORITE (Drag Norway) lx2 E3.00 2x2 f6.00 lxl f:4 305 P.hRAPIERROTITE...orange red masses with darker Hornblende(Kragero Norway) lx2 SOp 2x2 f.l.20 010 ALMANDINE Fe Al Silicate... Oll ALTHAUSITE MgPhosphate rich browncleavage in paler Clinochlore. (Overntjern, Modum, Norway) lxl...Felspar Group pure pale browncleavages. (Ula Larvik Norway) lxl 50p lx2 El 2x2 t2 268 ANTH10NY NATIVE.pure...silvery massive with minor Chalcopyrite (Hingsten Quarry, Cornwall) lx2 El.SO 2x2 E3.00 2x3 E5.00 2 002
Catalog/List
black masses some with felspar.(Buer Vesteroya Norway) lx1 £1.80 1 x 2 £3.60 004 AERINITE good blue...rich orange-red masses with Hornblende.(Kragero Norway) lx2 50p 2 x 2 £1.20 007 ALBITE varierty PERISTERITE...Eclogite rock.(West Coast of Norway) 1x2 £1.20 2 x 2 £2.50 2 x 4 £5.00 011 ALTHAUSITE Mg P0/4 rich browngrey...browngrey solid cleavage i n Clinochlore (Overntjern,Modum Norway) lx1 £2.70 1 x 2 £.4.60 012ALUMINITE pure...MICROCLINE) Felspar) Blue green cleavable mass (Norway) lx2 60D 2 x 2 £1.20 016AMBLYGONITE pure grey
 
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