Wicksite
A valid IMA mineral species
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About Wicksite
Formula:
NaCa2(Fe2+,Mn2+)4MgFe3+(PO4)6 · 2H2O
Colour:
Dark blue, dark green, black
Lustre:
Sub-Metallic
Hardness:
4½ - 5
Specific Gravity:
3.54
Crystal System:
Orthorhombic
Member of:
Name:
Named in 1981 by Bozidar Darko Sturman, Donald R. Peacor, and Pete J. Dunn in honor of Frederick John Wicks (b. 1937), Curator of Mineralogy of the Royal Ontario Museum, Toronto, and a specialist in the investigations of the serpentine-group minerals.
Type Locality:
Wicksite Group. The M(3)Fe analogue of maneckiite. A possible Mn analogue is coded as 'UM1985-09-PO:CaFeHMn'.
Unique Identifiers
Mindat ID:
4284
Long-form identifier:
mindat:1:1:4284:6
GUID
(UUID V4):
(UUID V4):
f6cc5267-2731-431c-bffe-233c45e5f81d
IMA Classification of Wicksite
Approved
IMA Formula:
NaCa2Fe2+2(Fe3+,Mn2+,Fe2+)4(PO4)6 · 2H2O
Approval year:
1979
Classification of Wicksite
8.CF.05
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
F : With large and medium-sized cations, RO4:H2O > 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
F : With large and medium-sized cations, RO4:H2O > 1:1
40.2.10.1
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
19.12.32
19 : Phosphates
12 : Phosphates of Mn
19 : Phosphates
12 : Phosphates of Mn
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 |
|---|---|---|
| Wic | 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 Wicksite
Sub-Metallic
Transparency:
Opaque
Colour:
Dark blue, dark green, black
Streak:
Green
Hardness:
4½ - 5 on Mohs scale
Cleavage:
Distinct/Good
Good on {010}
Good on {010}
Density:
3.54(2) g/cm3 (Measured) 3.58 g/cm3 (Calculated)
Optical Data of Wicksite
Type:
Biaxial (+)
RI values:
nα = 1.713(3) nβ = 1.718(3) nγ = 1.728(3)
2V:
Measured: 66° (2), Calculated: 72°
Max Birefringence:
δ = 0.015
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
Dispersion:
r < v strong
Pleochroism:
Strong
Comments:
X= blue
Y= greenish blue
Z= pale yellowish brown
Y= greenish blue
Z= pale yellowish brown
Chemistry of Wicksite
Mindat Formula:
NaCa2(Fe2+,Mn2+)4MgFe3+(PO4)6 · 2H2O
Crystallography of Wicksite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbca
Cell Parameters:
a = 12.907(2) Å, b = 12.524(1) Å, c = 11.646(2) Å
Ratio:
a:b:c = 1.031 : 1 : 0.93
Unit Cell V:
1,882.54 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals are platy; granular, massive.
Comment:
Space group Pcab (non-standard setting).
Crystal Structure
Load
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) |
|---|---|---|---|---|---|---|---|
| 0005528 | Wicksite | Cooper M A, Hawthorne F C (1997) The crystal structure of wicksite The Canadian Mineralogist 35 777-784 |  | 1997 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.753 Å | (100) |
| 3.015 Å | (80) |
| 2.910 Å | (80) |
| 2.118 Å | (60) |
| 2.571 Å | (40) |
| 2.868 Å | (30) |
| 2.837 Å | (30) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-𝑇 alteration and/or metamorphism | |
| 32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits | |
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 34 : Complex granite pegmatites |
Geological Setting:
Nodules in shale bed in iron formation
Type Occurrence of Wicksite
Place of Conservation of Type Material:
Canadian Geological Survey, Ottawa, 61309; Royal Ontario Museum, Toronto, Canada, M37364; National Museum of Natural History, Washington, D.C., USA, 145607, 145968.
Associated Minerals at Type Locality:
Reference:
STURMAN, B.D., PEACOR, D.R. & DUNN, P.J. (1981): Wicksite, a new mineral from northeastern Yukon Territory. Canadian Mineralogist 19, 377-380.
Synonyms of Wicksite
Other Language Names for Wicksite
Relationship of Wicksite to other Species
Member of:
Other Members of this group:
| Bederite | Ca2(Mn2+)4(Fe3+)2(PO4)6 · 2H2O | Orth. mmm (2/m 2/m 2/m) |
| Grischunite | NaCa2Mn2+5Fe3+(AsO4)6 · 2H2O | Orth. mmm (2/m 2/m 2/m) |
| Liraite | NaCa2Mn2+2[Fe3+Fe2+]Mn2+2(PO4)6(H2O)2 | Orth. mm2 |
| Maneckiite | (Na◻)Ca2Fe2+2(Fe3+Mg)Mn2(PO4)6 · 2H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
| Tassieite | (Na,◻)Ca2(Mg,Fe2+,Fe3+)2(Fe2+,Mg)2(Fe3+,Mg)2(PO4)6 · 2H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 8.CF. | Naalasite | NaAl(AsO3OH)2 · H2O |
| 8.CF. | Falsterite | Ca2MgMn2+2Fe2+2Fe3+2Zn4(PO4)8(OH)4(H2O)14 |
| 8.CF. | Ferraioloite | MgMn2+4(Fe2+0.5Al3+0.5)4Zn4(PO4)8(OH)4(H2O)20 |
| 8.CF. | Espadaite | Na4Ca3Mg2[AsO3(OH)]2[AsO2(OH)2]10 · 7H2O |
| 8.CF. | Liraite | NaCa2Mn2+2[Fe3+Fe2+]Mn2+2(PO4)6(H2O)2 |
| 8.CF. | Nafeasite | Na3Fe3+3(AsO3OH)6 · 3H2O |
| 8.CF.05 | Grischunite | NaCa2Mn2+5Fe3+(AsO4)6 · 2H2O |
| 8.CF.05 | Bederite | Ca2(Mn2+)4(Fe3+)2(PO4)6 · 2H2O |
| 8.CF.05 | Tassieite | (Na,◻)Ca2(Mg,Fe2+,Fe3+)2(Fe2+,Mg)2(Fe3+,Mg)2(PO4)6 · 2H2O |
| 8.CF.05 | Maneckiite | (Na◻)Ca2Fe2+2(Fe3+Mg)Mn2(PO4)6 · 2H2O |
| 8.CF.10 | Haigerachite | KFe3+3(PO3OH)2[PO2(OH)2]6 · 4H2O |
| 8.CF.10 | Yazganite | NaFe3+2(Mg,Mn2+)(AsO4)3 · H2O |
| 8.CF.15 | Currierite | Na4Ca3MgAl4(AsO3OH)12 · 9H2O |
| 8.CF.20 | Ríosecoite | Ca2Mg(AsO3OH)3(H2O)2 |
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 Wicksite
mindat.org URL:
https://www.mindat.org/min-4284.html
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References for Wicksite
Localities for Wicksite
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Canada (TL) | |
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Sweden | |
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USA | |
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Quick NavTopAbout WicksiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Big Fish River, Dawson mining district, Yukon, Canada