Harrisonite
A valid IMA mineral species
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About Harrisonite
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.
Type Locality:
The material from Czech pegmatites is manganese- and phosphorus-bearing. The latter substitution is related to Si deficiency.
The pegmatitic occurrence suggests the mineral to be stable lower P–T conditions than these reported for the holotype (Vácha & Škoda 2022).
The pegmatitic occurrence suggests the mineral to be stable lower P–T conditions than these reported for the holotype (Vácha & Škoda 2022).
Unique Identifiers
Mindat ID:
1821
Long-form identifier:
mindat:1:1:1821:6
GUID
(UUID V4):
(UUID V4):
2fe28ec9-213c-4245-a6af-8ec70aaea66a
Classification of Harrisonite
Approved
Approval year:
1991
First published:
1993
Type description reference:
8.BH.55
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Hrs | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Harrisonite
Vitreous
Transparency:
Transparent, Translucent
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 Harrisonite
Type:
Uniaxial (-)
RI values:
nω = 1.770(5) nε = 1.759(3)
2V:
Measured: 5°
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Weak
Comments:
Pale yellow tints
Chemical Properties of Harrisonite
Formula:
Ca(Fe2+,Mg)6(PO4)2(SiO4)2
IMA Formula:
CaFe2+6(SiO4)2(PO4)2
Common Impurities:
Mn
Crystallography of Harrisonite
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 6.248(1) Å, c = 26.802(7) Å
Ratio:
a:c = 1 : 4.29
Unit Cell V:
906.11 ų (Calculated from Unit Cell)
Z:
3
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0005340 | Harrisonite | Grice J D, Roberts A C (1993) Harrisonite, a well-ordered silico-phosphate with a layered crystal structure. Ca(Fe,Mg)6(SiO4)2(PO4)2 The Canadian Mineralogist 31 781-785 | 1993 | Arcedeckne Island, Artic Canada | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
5.00 Å | (60) |
4.46 Å | (50) |
3.119 Å | (100) |
2.976 Å | (50) |
2.689 Å | (80) |
2.558 Å | (100) |
2.505 Å | (80) |
1.903 Å | (60) |
1.560 Å | (80) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 5: Initiation of plate tectonics | <3.5-2.5 |
40 : Regional metamorphism (greenschist, amphibolite, granulite facies) |
Type Occurrence of Harrisonite
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.
Canadian Museum of Nature, Ottawa, Canada, 59685.
Geological Setting of Type Material:
Iron silicate - quartz - apatite layered body found in granulite-facies gneiss.
Associated Minerals at Type Locality:
Reference:
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.
Synonyms of Harrisonite
Other Language Names for Harrisonite
Related Minerals - Strunz-mindat Grouping
8.BH. | Crimsonite | PbFe3+2(PO4)2(OH)2 | Orth. mmm (2/m 2/m 2/m) : Cccm |
8.BH. | Plumboperloffite | PbMn2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH. | Reznitskyite | CaMg(VO4)F | Mon. 2/m : B2/b |
8.BH. | Cuprozheshengite | Pb4CuZn2(AsO4)2(PO4)2(OH)2 | Tric. 1 : P1 |
8.BH. | Zheshengite | Pb4ZnZn2(AsO4)2(PO4)2(OH)2 | Tric. 1 : P1 |
8.BH.05 | Thadeuite | Ca(Mg,Fe2+)3(PO4)2(OH,F)2 | Orth. 2 2 2 : C2 2 21 |
8.BH.10 | Durangite | NaAl(AsO4)F | Mon. 2/m : B2/b |
8.BH.10 | Isokite | CaMg(PO4)F | Mon. 2/m : B2/b |
8.BH.10 | Lacroixite | NaAl(PO4)F | Mon. 2/m : B2/b |
8.BH.10 | Maxwellite | NaFe3+(AsO4)F | Mon. 2/m : P2/m |
8.BH.10 | Panasqueiraite | CaMg(PO4)(OH,F) | Mon. |
8.BH.10 | Kononovite | NaMg(SO4)F | Mon. 2/m : B2/b |
8.BH.10 | Arsenatrotitanite | NaTi(AsO4)O | Mon. 2/m : B2/b |
8.BH.15 | Drugmanite | Pb2(Fe3+,Al)(PO4)(PO3OH)(OH)2 | Mon. 2/m : P21/b |
8.BH.20 | Bjarebyite | (Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.20 | Cirrolite | Ca3Al2(PO4)3(OH)3 (?) | |
8.BH.20 | Kulanite | Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.20 | Penikisite | Ba(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.20 | Perloffite | Ba(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.20 | Johntomaite | BaFe2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.20 | Strontioperloffite | SrMn2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.25 | Bertossaite | (Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4 | Orth. mmm (2/m 2/m 2/m) |
8.BH.25 | Palermoite | (Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4 | Orth. mmm (2/m 2/m 2/m) |
8.BH.25 | Natropalermoite | Na2SrAl4(PO4)4(OH)4 | Orth. mmm (2/m 2/m 2/m) |
8.BH.30 | Carminite | PbFe3+2(AsO4)2(OH)2 | Orth. mmm (2/m 2/m 2/m) : Cccm |
8.BH.30 | Sewardite | CaFe3+2(AsO4)2(OH)2 | Orth. mmm (2/m 2/m 2/m) : Cccm |
8.BH.35 | Adelite | CaMg(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Arsendescloizite | PbZn(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Austinite | CaZn(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Cobaltaustinite | CaCo(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Conichalcite | CaCu(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Duftite | PbCu(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Gabrielsonite | PbFe3+(As3+O3)O | Orth. mm2 : Pmc21 |
8.BH.35 | Nickelaustinite | CaNi(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Tangeite | CaCu(VO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Duftite-alpha | PbCu(AsO4)(OH) | |
8.BH.35 | Gottlobite | CaMg(VO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Hermannroseite | CaCu(PO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.40 | Čechite | PbFe2+(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) |
8.BH.40 | Descloizite | PbZn(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnma |
8.BH.40 | Mottramite | PbCu(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnma |
8.BH.40 | Pyrobelonite | PbMn2+(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnma |
8.BH.40 | Khorixasite | (Bi0.67◻0.33)Cu(VO4)(OH) | Mon. 2/m : P2/m |
8.BH.45 | Bayldonite | PbCu3(AsO4)2(OH)2 | Mon. 2/m : B2/b |
8.BH.45 | Vésigniéite | BaCu3(VO4)2(OH)2 | Mon. 2/m : B2/m |
8.BH.50 | Paganoite | NiBi(AsO4)O | Tric. 1 : P1 |
8.BH.55 | Jagowerite | BaAl2(PO4)2(OH)2 | Tric. |
8.BH.60 | Attakolite | CaMn2+Al4(SiO3OH)(PO4)3(OH)4 | Mon. 2/m : B2/m |
8.BH.65 | Leningradite | PbCu3(VO4)2Cl | Orth. mmm (2/m 2/m 2/m) : Ibam |
8.BH.70 | Katiarsite | KTiO(AsO4) | Orth. mm2 : Pna21 |
8.BH.70 | Yurgensonite | K2SnTiO2(AsO4)2 | Orth. mm2 : Pna21 |
8.BH.75 | Melanarsite | K3Cu7Fe3+O4(AsO4)4 | Mon. 2/m : B2/b |
8.BH.80 | Moraskoite | Na2Mg(PO4)F | Orth. mmm (2/m 2/m 2/m) : Pbcn |
8.BH.80 | Evseevite | Na2Mg(AsO4)F | Orth. mmm (2/m 2/m 2/m) : Pbcn |
8.BH.85 | Piccoliite | NaCaMn3+2(AsO4)2O(OH) | Orth. mmm (2/m 2/m 2/m) : Pbcm |
Fluorescence of Harrisonite
None
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Harrisonite
mindat.org URL:
https://www.mindat.org/min-1821.html
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References for Harrisonite
Reference List:
Localities for Harrisonite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Brazil | |
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Canada (TL) | |
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Czech Republic | |
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Germany | |
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Arcedeckne Island, Kitikmeot Region, Nunavut, Canada