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Collinsite

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Formula:
Ca
 
2
(Mg,Fe
2+
 
)(PO
 
4
)
 
2
· 2H
 
2
O
System:TriclinicColour:Light brown; light ...
Hardness:3 - 3½
Member of:Fairfieldite Group
Name:For Canadian geologist William Henry Collins (1878-1937), former Director, Geological Survey of Canada.

Classification of Collinsite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/C.17-10
Nickel-Strunz 10th (pending) edition ID:8.CG.05

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
G : With large and medium-sized cations, RO4:H2O = 1:1
Dana 8th edition ID:40.2.2.3

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
Hey's CIM Ref.:19.14.20

19 : Phosphates
14 : Phosphates of Fe and other metals
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Type Occurrence of Collinsite

Type Locality:Francois Lake phosphate occurrence, Francois Lake, Omenica Mining Division, British Columbia, Canada
Year of Discovery:1927
Geological Setting of type material:Vein deposit in andesite.
Associated Minerals at type locality:
Carbonate-rich HydroxylapatiteAsphaltum

Physical Properties of Collinsite

Lustre:Silky
Diaphaneity (Transparency):Translucent
Colour:Light brown; light yellow-brown to colourless in transmitted light.
Hardness (Mohs):3 - 3½
Cleavage:Imperfect/Fair
On {001} and {010}, fair.
Density (measured):2.99 g/cm3
Density (calculated):3.04 g/cm3

Crystallography of Collinsite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 5.73Å, b = 6.78Å, c = 5.44Å
α = 97.29°, β = 108.56°, γ = 107.28°
Ratio:a:b:c = 0.845 : 1 : 0.802
Unit Cell Volume:V 185.49 ų (Calculated from Unit Cell)
Morphology:Radial blades or lath-like fibers elongated [100], comprising layers.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Collinsite

Type:Biaxial (+)
RI values: nα = 1.632 nβ = 1.642 nγ = 1.657
2V:Measured: 80°
Maximum Birefringence:δ = 0.025

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r < v strong

Chemical Properties of Collinsite

Formula:
Ca
 
2
(Mg,Fe
2+
 
)(PO
 
4
)
 
2
· 2H
 
2
O
Simplified for copy/paste:Ca2(Mg,Fe2+)(PO4)2·2H2O
Essential elements:Ca, H, Mg, O, P
All elements listed in formula:Ca, Fe, H, Mg, O, P

Relationship of Collinsite to other Species

Series:Forms a series with Fairfieldite (see here)
Member of:Fairfieldite Group
Other Members of Group:

- +
Cassidyite
Ca
 
2
(Ni
2+
 
,Mg)(PO
 
4
)
 
2
· 2H
 
2
O
Fairfieldite
Ca
 
2
(Mn
2+
 
,Fe
2+
 
)(PO
 
4
)
 
2
· 2H
 
2
O
Gaitite
Ca
 
2
Zn(AsO
 
4
)
 
2
· 2H
 
2
O
Messelite
Ca
 
2
(Fe
2+
 
,Mn
2+
 
)(PO
 
4
)
 
2
· 2H
 
2
O
Nickeltalmessite
Ca
 
2
Ni(AsO
 
4
)
 
2
· 2H
 
2
O
Parabrandtite
Ca
 
2
Mn
2+
 
(AsO
 
4
)
 
2
· 2H
 
2
O
Talmessite
Ca
 
2
Mg(AsO
 
4
)
 
2
· 2H
 
2
O
Unnamed (Fe2+-analogue of Parabrandtite)
Ca
 
2
Fe
2+
 
(AsO
 
4
)
 
2
· 2H
 
2
O
β-Roselite
Ca
 
2
(Co
2+
 
,Mg)(AsO
 
4
)
 
2
· 2H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
8.CG.05Cassidyite
Ca
 
2
(Ni
2+
 
,Mg)(PO
 
4
)
 
2
· 2H
 
2
O
8.CG.05Fairfieldite
Ca
 
2
(Mn
2+
 
,Fe
2+
 
)(PO
 
4
)
 
2
· 2H
 
2
O
8.CG.05Gaitite
Ca
 
2
Zn(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.05Messelite
Ca
 
2
(Fe
2+
 
,Mn
2+
 
)(PO
 
4
)
 
2
· 2H
 
2
O
8.CG.05Parabrandtite
Ca
 
2
Mn
2+
 
(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.05Talmessite
Ca
 
2
Mg(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.05Hillite
Ca
 
2
(Zn,Mg)(PO
 
4
)
 
2
· 2 H
 
2
O
8.CG.10Brandtite
Ca
 
2
(Mn
2+
 
,Mg)(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.10Roselite
Ca
 
2
(Co
2+
 
,Mg)(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.10Wendwilsonite
Ca
 
2
Mg(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.10Zincroselite
Ca
 
2
Zn(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.10Rruffite
Ca
 
2
Cu(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.15Ferrilotharmeyerite
Ca(Fe
3+
 
,Zn)
 
2
(AsO
 
4
)
 
2
· 2(OH,H
 
2
O)
8.CG.15Lotharmeyerite
Ca(Zn,Mn
3+
 
)
 
2
(AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.15Mawbyite
Pb(Fe
3+
 
,Zn)
 
2
(AsO
 
4
)
 
2
· 2(OH,H
 
2
O)
8.CG.15Mounanaite
PbFe
3+
2
(VO
 
4
)
 
2
(OH,F)
 
2
8.CG.15Thometzekite
Pb(Cu,Zn)
 
2
(AsO
 
4
,SO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.15Tsumcorite
Pb(Zn,Fe
3+
 
)
 
2
(AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.15Cobaltlotharmeyerite
Ca(Co,Fe
3+
 
,Ni)
 
2
(AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.15Cabalzarite
Ca(Mg,Al,Fe
3+
 
)
 
2
(AsO
 
4
)
 
2
(OH,H
 
2
O)
 
2
8.CG.15Krettnichite
(Pb,Sr)(Mn
3+
 
,Co)
 
2
(VO
 
4
)
 
2
· 2(OH,H
 
2
O)
8.CG.15Cobalttsumcorite
Pb(Co,Fe
3+
 
,Ni)
 
2
(AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.15Nickellotharmeyerite
Ca(Ni,Fe
3+
 
,Co)
 
2
(AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.15Manganlotharmeyerite
Ca(Mn
3+
 
,Zn)
 
2
(AsO
 
4
)
 
2
(OH,H
 
2
O)
 
2
8.CG.15Schneebergite
(Bi
3+
 
,Ca)(Co,Ni,Fe
3+
 
)
 
2
(AsO
 
4
)
 
2
(OH,H
 
2
O)
 
2
8.CG.15Nickelschneebergite
(Bi
3+
 
,Ca)(Ni,Co,Fe
3+
 
)
 
2
(AsO
 
4
)
 
2
· 2(OH,H
 
2
O)
8.CG.20Gartrellite
Pb(Cu,Fe
3+
 
,Zn)
 
2
(AsO
 
4
,SO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.20Helmutwinklerite
Pb(Zn,Cu)
 
2
(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.20Zincgartrellite
Pb(Zn,Fe
3+
 
,Cu)
 
2
(AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.20Rappoldite
Pb(Co,Ni,Zn)
 
2
(AsO
 
4
)
 
2
· 2H
 
2
O
8.CG.20Phosphogartrellite
Pb(Cu,Fe
3+
 
)
 
2
(PO
 
4
,AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.20Lukrahnite
Ca(Cu,Zn)(Fe
3+
 
,Zn)(AsO
 
4
)
 
2
· 2(H
 
2
O,OH)
8.CG.25Pottsite
HPbBi(VO
 
4
)
 
2
· 2H
 
2
O
8.CG.35Nickeltalmessite
Ca
 
2
Ni(AsO
 
4
)
 
2
· 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.14.1Cyrilovite
NaFe
3+
3
(PO
 
4
)
 
2
(OH)
 
4
· 2H
 
2
O
19.14.2Kidwellite
NaFe
3+
9
(PO
 
4
)
 
6
(OH)
 
11
· 3H
 
2
O
19.14.3Rosemaryite
(Na,Ca,Mn)(Mn,Fe
2+
 
)(Fe
3+
 
,Mg)Al(PO
 
4
)
 
3
19.14.4Wyllieite
(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO
 
4
)
 
3
19.14.5Ferrowyllieite
(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
 
4
)
 
3
19.14.6Natrodufrénite
NaFe
2+
 
Fe
3+
5
(PO
 
4
)
 
4
(OH)
 
6
· 2H
 
2
O
19.14.7Leucophosphite
KFe
3+
2
(PO
 
4
)
 
2
(OH) · 2H
 
2
O
19.14.8Spheniscidite
(NH
 
4
,K)(Fe
3+
 
,Al)
 
2
(PO
 
4
)
 
2
(OH) · 2H
 
2
O
19.14.9Burangaite
NaFe
2+
 
Al
 
5
(PO
 
4
)
 
4
(OH)
 
6
· 2H
 
2
O
19.14.10Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
(PO
 
4
)(OH,O)
19.14.11Ushkovite
MgFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
· 8H
 
2
O
19.14.12Garyansellite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
(OH,O) · 1.5H
 
2
O
19.14.13Thadeuite
Ca(Mg,Fe
2+
 
)
 
3
(PO
 
4
)
 
2
(OH,F)
 
2
19.14.14Anapaite
Ca
 
2
Fe
2+
 
(PO
 
4
)
 
2
· 4H
 
2
O
19.14.15Xanthoxenite
Ca
 
4
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
· 3H
 
2
O
19.14.16Calcioferrite
Ca
 
2
Fe
3+
2
(PO
 
4
)
 
3
(OH) · 7H
 
2
O
19.14.17Mitridatite
Ca
 
2
Fe
3+
3
(PO
 
4
)
 
3
O
 
2
· 3H
 
2
O
19.14.18Mélonjosephite
CaFe
2+
 
Fe
3+
 
(PO
 
4
)
 
2
(OH)
19.14.19Delvauxite
CaFe
 
4
(PO
 
4
,SO
 
4
)
 
2
(OH)
 
8
· 4-6H
 
2
O not confirmed ·
19.14.21Segelerite
Ca
 
2
Mg
 
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
· 8H
 
2
O
19.14.22Kingsmountite
Ca
 
4
(Fe
2+
 
,Mn
2+
 
)Al
 
4
(PO
 
4
)
 
6
(OH)
 
4
· 12H
 
2
O
19.14.23Vauxite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
· 6H
 
2
O
19.14.24Metavauxite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
· 8H
 
2
O
19.14.25Paravauxite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
· 8H
 
2
O
19.14.26Sigloite
Fe
3+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
3
· 7H
 
2
O
19.14.27Cacoxenite
Fe
3+
24
Al(PO
 
4
)
 
17
O
 
6
(OH)
 
12
· 17H
 
2
O
19.14.28Koninckite
Fe
3+
 
PO
 
4
· 3H
 
2
O
19.14.29Lazulite
(Mg,Fe
2+
 
)Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
19.14.30Scorzalite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
19.14.31Souzalite
(Mg,Fe
2+
 
)
 
3
(Al,Fe
3+
 
)
 
4
(PO
 
4
)
 
4
(OH)
 
6
· 2H
 
2
O
19.14.32Gormanite
(Fe
2+
 
,Mg)
 
3
(Al,Fe
3+
 
)
 
4
(PO
 
4
)
 
4
(OH)
 
6
· 2H
 
2
O
19.14.33Zaïrite
Bi(Fe
3+
 
,Al)
 
3
(PO
 
4
)
 
2
(OH)
 
6

Other Names for Collinsite

Other Languages:
German:Collinsit
Russian:Коллинсит
Simplified Chinese:磷钙镁石
科林斯石
Spanish:Collinsita
Traditional Chinese:磷鈣鎂石

Other Information

Other Information:Readily soluble in acids.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Collinsite

Reference List:

- +
POITEVIN, E. (1926): A new Canadian occurrence of phosphorite from near Francois Lake, British Columbia. Geological Survey of Canada, Museum Bulletin 46, 1-21.
POITEVIN, E. & CONNOR, M.F. (1924): Collinsite (hydrated phosphate of lime), a new mineral. Transactions of the Royal Society of Canada 18, XLII.
Poitevin (1927) Canada Department of Mines, Geological Survey Bulletin 46: 1.

Wolfe (1940) American Mineralogist: 25: 746-747.

U.S. Geological Survey Professional Paper 800A: 103.

Internet Links for Collinsite

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  • Look for Collinsite on Wikipedia
  • Look for Collinsite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Collinsite details from Handbook of Mineralogy (PDF)
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  • Specimens:The following Collinsite specimens are currently listed for sale on minfind.com.

    Localities for Collinsite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • South Australia
      • Eyre Peninsula
        • Middleback Range
          • Iron Knob
    Australian Jour.Min. v.6, no. 1
      • Flinders Ranges
        • South Flinders Ranges
          • Martins Well
    Johnston, C.W . & Hill, R.J. (1978): Zinc phosphates at Reaphook Hill South Australia. Mineralogical Record 9,(1), 20-24
          • Wilmington
    No reference listed
    • Western Australia
      • Meekatharra Shire
        • Milgun Station
    Min.Mag. 39,577-579(1974);
    Austria
     
    • Carinthia
      • Koralpe
        • Moschkogel - Weinebene area
          • Brandrücken
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    Bahamas
     
    • San Salvador District
      • San Salvador Island
    Carb.&Evap. v.16 no.1 (2001)
    Brazil
     
    • Minas Gerais
      • Jequitinhonha valley
        • Itinga
          • Taquaral
    Neil Hubbard specimen
    Canada
     
    • British Columbia
      • Omenica Mining Division
        • Francois Lake
    POITEVIN, E. (1926): A new Canadian occurrence of phosphorite from near Francois Lake, British Columbia. Geological Survey of Canada, Museum Bulletin 46, 1-21. POITEVIN, E. & CONNOR, M.F. (1924): Collinsite (hydrated phosphate of lime), a new mineral. Transactions of the Royal Society of Canada 18, XLII.
    • Yukon Territory
      • Dawson Mining District
    [Mineralogical Record 23 31]
    Robinson, G.W., Van Velthuizen, J., Ansell, H.G. & Sturman, B.D. (1992): Mineralogy of the Rapid Creek and Big Fish River area, Yukon Territory. Mineralogical Record 23, 1-47.
    [Mineralogical Record 23 31]
          • Kulan Camp (Area A; Area 1)
    Robinson, G.W., Van Velthuizen, J., Ansell, H.G. & Sturman, B.D. (1992): Mineralogy of the Rapid Creek and Big Fish River area, Yukon Territory. Mineralogical Record 23, 1-47
          • Stoneman Camp (Area B; Area 2)
    Robinson, G.W., Van Velthuizen, J., Ansell, H.G. & Sturman, B.D. (1992): Mineralogy of the Rapid Creek and Big Fish River area, Yukon Territory. Mineralogical Record 23, 1-47
    Germany
     
    • Hesse
      • Darmstadt
        • Messel
    U. Kolitsch and M. Fleck (2005): Second update on compounds with kröhnkite-type chains. Z. Kristallgr. 220, 31-41. [single-crystal structure refinement + EDS on sample labeled as "messelite"]
    Morocco
     
    • Marrakech-Tensift-El Haouz Region
      • El Kelaâ des Sraghna Province
        • Sidi Bou Othmane
    Favreau, G. (2012): Deux pegmatites à phosphates de Sidi Bou Othmane (Maroc). Le Cahier des Micromonteurs, 3-2012, 71-109
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
    Favreau, G. (2012): Les minéralisations à phosphates de la pegmatite d'Angarf-Sud (Maroc).Le Cahier des Micromonteurs, 3-2012, 3-70.
    Namibia
     
    • Erongo Region
      • Karibib District
        • Okatjimukuju Farm 55 (Friedrichsfelde Farm)
    P. Keller and O. von Knorring, Eur. J. Mineral. , 1989, 1, pp. 567-593.
    Norway
     
    • Buskerud
      • Modum
        • Overntjern
    Kristiansen, R. (2001): Raadeitt- enda et nytt magnesiumfosfat fra Modum. STEIN 28 (4), 6-7
    Romania
     
    • Hunedoara Co.
      • Hunedoara
        • Boșorod
    Onac, B.P., Breban, R., Kearns, J., and Tamas, T. (2002) Unusual minerals related to phosphate deposits in Cioclovina Cave, Şureanu Mts. (Romania). Theoretical and Applied Karstology: 15: 27-34.; Onac, BP; Effenberger, HS; Collins, NC; Kearns, JB; Breban, RC (2011): Revisiting three minerals from Cioclovina Cave (Romania). International Journal of Speleology 40, 21-30.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
    Ruslan P. Liferovich, Yakov A. Pakhomovsky, Alla N. Bogdanova, Elena G. Balaganskaya, Kauko V. O. Laajoki, Seppo Gehor and Nikita V. Chukanov (2001) Collinsite in hydrothermal assemblages related to carbonatites in the Kovdor Complex, northwestern Russia. The Canadian Mineralogist 39:1081-1094; Subbotin, R. P. L. V. V., & Pakhomovsky, Y. A. (1998). A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor massif, Russia. Canadian Mineralogist 36:971-980.
    [World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Serbia
     
    • Raška District
      • Raška
        • Jarandol Basin
          • Baljevac na Ibru
    Stopanovic, Dobrica R. (1978): Carbonate apatite and collinsite in sedimentary magnesite at Bela Stena near Baljevac na Ibru, Serbia. Zapisnici Srpskog Geoloskog Drustva 1978, 11-14.
    South Africa
     
    • North West Province
      • Dr Kenneth Kaunda District
        • Ventersdorp
    Minerals of South Africa
    Spain
     
    • Balearic Islands
    B. Onac et al (2009) Mineral Diversity in Caves from Mallorca Island, Spain. Mineralogy 1 2009 ICS Proceedings. In 15th International Congress of Speleology. p 325
    • Castile and Leon
      • Salamanca
        • Garcirrey
    Encarnación Roda-Robles, Alfonso Pesquera (2007) Locality no. 4: The Phosphates-Rich Cañada Pegmatite (Aldehuela de La Bóveda, Salamanca, Spain) in ALEXANDRE LIMA & ENCARNACIÓN RODA ROBLES ed (2007) GRANITIC PEGMATITES: THE STATE OF THE ART - FIELD TRIP GUIDEBOOK. MEMÓRIAS N. º 9, UNIV. DO PORTO, FACULDADE DE CIÊNCIAS, DEPARTAMENTO DE GEOLOGIA pp 67-72.
    • Catalonia
      • Barcelona
        • Baix Llobregat
    Camprubí, A., Costa, F., Melgarejo, J.C., 1994. Mineralizaciones de fosfatos férrico-alumínicos de Gavà (Catalunya): tipología. Boletín Geológico y Minero, v. 105-5, p. 444-453.
    USA
     
    • Nevada
      • Humboldt Co.
        • Osgood Mts
          • Potosi District
    Rocks & Minerals, Nov. 1999
    • New Hampshire
      • Grafton Co.
        • Groton
    NIZAMOFF, James W., SIMMONS, William B., and FALSTER, Alexander U. (2004) PHOSPHATE MINERALOGY AND PARAGENESIS OF THE PALERMO #2 PEGMATITE, NORTH GROTON, NEW HAMPSHIRE Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
    Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
    • North Carolina
      • Cleveland Co.
        • Kings Mountain District
    Rocks and Minerals, (1985) 60:76-82
    • South Dakota
      • Custer Co.
        • Custer District
          • Fourmile
    Rocks & Minerals: 60: 117.
          • Pringle
            • Cicero Peak
    Rocks & Minerals: 75(3): 156-169.
    • Utah
      • Utah Co.
        • Oquirrh Mts
          • Fairfield
    Liferovich, R.P., Subbotin, V.V., Pakhomovsky, Y.A., Lyalina, M.F. (1998) A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor Massif, Russia. The Canadian Mineralogist, 36, 971-980.
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