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Harrisonite

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Formula:
Ca(Fe2+,Mg)6(PO4)2(SiO4)2
Colour:
Yellow-brown to orange-brown
Lustre:
Vitreous
Hardness:
4 - 5
Specific Gravity:
4.02
Crystal System:
Trigonal
Name:
Named by A.C. Roberts, J.A.R. Stirling, J.D. Grice, T. Frisch, R.K. Herd, and J.L. Jambor in 1993 in honor of James Merritt Harrison (20 September 1915, Regina, Saskatchewan, Canada – 6 July 1990, Canada), geoscientist and former Director of the Geological Survey of Canada (1956-1964). He was awarded the Logan Medal from the Geological Association of Canada in 1969.
This page provides mineralogical data about Harrisonite.


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Classification of HarrisoniteHide

Approved
Approval Year:
1991
First Published:
1993
8.AC.55

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations

Physical Properties of HarrisoniteHide

Vitreous
Colour:
Yellow-brown to orange-brown
Streak:
Pale yellow
Hardness:
4 - 5 on Mohs scale
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
Fracture:
Conchoidal
Density:
4.02 g/cm3 (Measured)    4.01 g/cm3 (Calculated)

Optical Data of HarrisoniteHide

Type:
Uniaxial (-)
RI values:
nω = 1.770 nε = 1.759
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Weak
Comments:
Pale yellow tints

Chemical Properties of HarrisoniteHide

Formula:
Ca(Fe2+,Mg)6(PO4)2(SiO4)2
IMA Formula:
CaFe2+6(SiO4)2(PO4)2
Common Impurities:
Mn

Crystallography of HarrisoniteHide

Crystal System:
Trigonal
Cell Parameters:
a = 6.24 Å, c = 26.78 Å
Ratio:
a:c = 1 : 4.292
Unit Cell V:
903.05 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.00 (60)
4.46 (50)
3.119 (100)
2.976 (50)
2.689 (80)
2.558 (100)
2.505 (80)
1.903 (60)
1.560 (80)

Type Occurrence of HarrisoniteHide

General Appearance of Type Material:
Discrete equidimensional anhedral grains and as a rim around fluorapatite.
Place of Conservation of Type Material:
Canadian Geological Survey, Ottawa, 66402.
Canadian Museum of Nature, Ottawa, Canada, 59685.
Geological Setting of Type Material:
Iron silicate - quartz - apatite layered body found in granulite-facies gneiss.

Synonyms of HarrisoniteHide

Other Language Names for HarrisoniteHide

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.60KosnariteKZr2(PO4)3Trig. 3m (3 2/m) : R3c
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

Fluorescence of HarrisoniteHide

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 HarrisoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Roberts, A.C., Stirling, J.A.R., Grice, J.D., Frisch, T., Herd, R.K., Jambor, J.L. (1993) Harrisonite, a new calcium iron silicate-phosphate from Arcedeckne Island, District of Franklin, Arctic Canada. Canadian Mineralogist: 31: 775-780.
Grice, J.D., Roberts, A.C. (1993) Harrisonite, a well-ordered silico-phosphate with a layered crystal structure. Canadian Mineralogist: 31: 781-785.
Jambor, J.L., Roberts, A.C., Vanko, D.A. (1994) New mineral names. American Mineralogist: 79: 1009-1014.

Internet Links for HarrisoniteHide

Localities for HarrisoniteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
Brazil
 
  • Minas Gerais
    • Conselheiro Pena
Baijot, M., Hatert, F., Dal Rio, F. & Philipo, S. (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. Canadian Mineralogist 52, 373-397.
Canada (TL)
 
  • Nunavut
ROBERTS, A.C., STIRLING, J.A.R., GRICE, J.D., FRISCH, T., HERD, R.K. & JAMBOR, J.L. (1993): Harrisonite, a new calcium iron silicateBphosphate from Arcedeckne Island, District of Franklin, Arctic Canada. Canadian Mineralogist 31, 775-780.
Czech Republic
 
  • Vysočina Region
    • Žďár nad Sázavou District
      • Křižanov
Škoda, R., Staněk, J., Čopjaková, R.: Minerální asociace fosfátových nodulí z granitického pegmatitu od Cyrilova u Velkého Meziříčí, Moldanubikum; část 1 – primární a exsoluční fáze. Acta Mus. Moraviae, Sci. geol., 2007, 92, 59-74.
Mineral and/or Locality  
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