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Kosnarite

This page kindly sponsored by Brian Kosnar
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About KosnariteHide

Richard A. Kosnar
Formula:
KZr2(PO4)3
Colour:
Pale blue to pale green to colourless.
Lustre:
Vitreous
Hardness:
Specific Gravity:
3.194
Crystal System:
Trigonal
Name:
Named by Michael E. Brownfield, Eugene E. Foord, Stephen J. Sutley, and Theodore Botinelly in honor of Richard Andrew "Rich" Kosnar (13 November 1946, Jersey City, New Jersey, USA - 15 January 2007), Colorado mineral dealer (Mineral Classics). He was a specialist in New Jersey traprock minerals, pegmatite and Alpine-type minerals, and Coloroado localities. In 1977 he reopened the Sweet Home mine for specimens.
This page provides mineralogical data about Kosnarite.


Classification of KosnariteHide

Approved
First Published:
1993
8.AC.60

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th ed.:
38.1.9.1
38.4.12.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4

Pronounciation of KosnariteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of KosnariteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Pale blue to pale green to colourless.
Streak:
White
Hardness:
4½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
on {1012}
Fracture:
Conchoidal
Density:
3.194(2) g/cm3 (Measured)    3.206 g/cm3 (Calculated)

Optical Data of KosnariteHide

Type:
Uniaxial (+)
RI values:
nω = 1.656 nε = 1.682
Max Birefringence:
δ = 0.026
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of KosnariteHide

Formula:
KZr2(PO4)3
Common Impurities:
Na,Rb,Mn,Hf,F

Crystallography of KosnariteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3c
Cell Parameters:
a = 8.687(2) Å, c = 23.877(7) Å
Ratio:
a:c = 1 : 2.749
Unit Cell V:
1,560.45 ų (Calculated from Unit Cell)
Z:
6
Morphology:
Rhombohedral pseudocubic crystals

Type Occurrence of KosnariteHide

Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 170369, 170370.
Geological Setting of Type Material:
Secondary mineral in a complex granite pegmatite.
Associated Minerals at Type Locality:

Synonyms of KosnariteHide

Other Language Names for KosnariteHide

German:Kosnarit
Spanish:Kosnarita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Albite116 photos of Kosnarite associated with Albite on mindat.org.
Zanazziite34 photos of Kosnarite associated with Zanazziite on mindat.org.
Montebrasite30 photos of Kosnarite associated with Montebrasite on mindat.org.
Muscovite17 photos of Kosnarite associated with Muscovite on mindat.org.
Cleavelandite7 photos of Kosnarite associated with Cleavelandite on mindat.org.
Lepidolite7 photos of Kosnarite associated with Lepidolite on mindat.org.
Eosphorite5 photos of Kosnarite associated with Eosphorite on mindat.org.
Jahnsite-(CaMnMg)5 photos of Kosnarite associated with Jahnsite-(CaMnMg) on mindat.org.
Fluorapatite3 photos of Kosnarite associated with Fluorapatite on mindat.org.
Oligoclase2 photos of Kosnarite associated with Oligoclase on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.AC.WopmayiteCa6Na3□Mn(PO4)3(PO3OH)4 Trig. 3m : R3c
8.AC.05HowardevansiteNaCuFe2(VO4)3Tric. 1 : P1
8.AC.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon.
8.AC.10Arseniopleite(Ca,Na)NaMn2+(Mn2+,Mg,Fe2+)2(AsO4)3Mon. 2/m : P2/b
8.AC.10Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
8.AC.10Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3
8.AC.10HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
8.AC.10Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3Mon.
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
8.AC.10VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
8.AC.10FerrohagendorfiteNaCaFe2+Fe2+2(PO4)3Mon.
8.AC.10BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
8.AC.10YazganiteNaFe3+2(Mg,Mn2+)(AsO4)3 · H2OMon. 2/m : B2/b
8.AC.10GroatiteNaCaMn2(PO4)(HPO4)2Mon. 2/m : B2/b
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
8.AC.15Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15QingheiiteNaMn3+Mg(Al,Fe3+)(PO4)3Mon. 2/m : P21/b
8.AC.15Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3Mon.
8.AC.15Qingheiite-(Fe2+)Na2Fe2+MgAl(PO4)3Mon. 2/m : P21/m
8.AC.18ManitobaiteNa16Mn2+ 25Al8(PO4)30Mon. m : Pb
8.AC.20MarićiteNaFe2+(PO4)Orth. mmm (2/m 2/m 2/m) : Pmna
8.AC.25Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25ManganberzeliiteNaCa2Mn2+2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Palenzonaite(Ca,Na)3CaMn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25SchäferiteCa2NaMg2(VO4)3Iso.
8.AC.30BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m (3 2/m) : P3m1
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : P3
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(HPO4)Trig. 3m : R3c
8.AC.45WhitlockiteCa9Mg(PO4)6(HPO4)Trig. 3m : R3c
8.AC.45MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
8.AC.45TuiteCa3(PO4)2Trig. 3m (3 2/m) : R3m
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
8.AC.50Chladniite{Ca}{Na8}{Ca4Na4}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50Fillowite{Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50JohnsomervilleiteNa10Ca6Mg18Fe25(PO4)36Trig.
8.AC.50Galileiite{Fe2+}{Na8}{Fe2+4Na4}{Fe2+43}(PO4)36Trig. 3 : R3
8.AC.50Stornesite-(Y){(Y, Ca)}{Na62}{(Ca,Na)8}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50XenophylliteNa4Fe2+7(PO4)6Tric. 1 : P1
8.AC.55HarrisoniteCa(Fe2+,Mg)6(PO4)2(SiO4)2Trig.
8.AC.65Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2Mon. 2/m : P21/b
8.AC.70StanfielditeCa4Mg5(PO4)6Mon.
8.AC.75RonneburgiteK2MnV4O12Mon. 2/m
8.AC.80Tillmannsite(Ag3Hg)(VO4,AsO4)Tet. 4 : I4
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for KosnariteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Šljukić, M., Matković, B., Prodić, B., Anderson, D. (1969) The crystal structure of KZr2(PO4)3. Zeitschrift für Kristallographie: 130: 148–161.
Brownfield, M.E., Foord, E.E., Sutley, S.J., Botinelly, T. (1993) Kosnarite, KZr2(PO4)3, a new mineral from Mount Mica and Black Mountain, Oxford County, Maine. American Mineralogist: 78: 653-656.
Birch, W.D., Pring, A., Bevan, D.J.M., Kharisun (1994) Wycheproofite: a new hydrated sodium aluminum zirconium phosphate from Wycheproof, Victoria, Australia, and a new occurrence of kosnarite. Mineralogical Magazine: 58: 635–639.
Mandarino, J.A. (1997) New Minerals 1990-1994. Mineralogical Record.

Internet Links for KosnariteHide

Localities for KosnariteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Victoria
    • Buloke Shire
      • Wycheproof
Birch,W.D.;et al., "Wycheproofite; a new hydrated sodium aluminium zirconium phosphate from Wycheproof, Victoria, Australia, and a new occurrence of kosnarite" ,Mineralogical Magazine. 58, 635-639(1994); R&M. 71:160-161 (1996); W.D.Birch. Phosphate Minerals of Victoria. The Mineralogical Society of Victoria special publication No. 3 pp. 28-32
Brazil
 
  • Minas Gerais
    • Itinga
Peter Haas, Elmar Lackner anf Jordi Fabre specimens.
Simone Citon specimen
Chaves et al. (2016)
      • Taquaral
Luiz Alberto Dias Menezes Filho, Mario Luiz de Sá Carneiro Chaves, Coralie Heinis Dias, Daniel Atencio (2016): Recent mineral discoveries in the Coronel Murta, Taquaral, and Medina pegmatite fields, northeastern Minas Gerais, Brazil. REM - Int. Eng. J. 69, 301-307. [http://www.scielo.br/pdf/remi/v69n3/2448-167X-remi-69-03-0301.pdf].
Peru
 
  • Cajamarca Department
    • Yanacocha District
      • Yanacocha Mine
Deditius, A.P., Utsunomiya, S., Sanchez-Alfaro, P., Reich, M., Ewing, R.C., Kesler, S.E. (2015): Constraints on Hf and Zr mobility in high-sulfidation epithermal systems: formation of kosnarite, KZr2(PO4)3, in the Chaquicocha gold deposit, Yanacocha district, Peru. Mineralium Deposita, 50, 429-436.
USA (TL)
 
  • Maine
    • Oxford Co.
      • Paris
Brownfield, M. E., Foord, E. E., Sutley, S. J. and Botinelly, T. (1993): Kosnarite, KZr2(PO4)3, a new mineral from Mount Mica and Black Mountain, Oxford County, Maine. Am. Mineral. 78, 653-656.
      • Rumford
Brownfield, M. E., Foord, E. E., Sutley, S. J. and Botinelly, T. (1993): Kosnarite, KZr2(PO4)3, a new mineral from Mount Mica and Black Mountain, Oxford County, Maine. Am. Mineral. 78, 653-656.
Mineral and/or Locality  
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