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Mcauslanite

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Formula:
HFe
2+
3
Al
 
2
(PO
 
4
)
 
4
F · 18H
 
2
O
System:TriclinicHardness:
Name:
David Alexander McAuslan (1943- ), former Eastern Exploration Manager for Shell Canada Resources Ltd.
This page provides mineralogical data about Mcauslanite.

Classification of Mcauslanite

IMA status:Approved 1986
Strunz 8th edition ID:7/D.04-10
Nickel-Strunz 10th (pending) edition ID:8.DB.60

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
B : With only medium-sized cations, (OH, etc.):RO4< 1:1
Dana 8th edition ID:42.11.22.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
Hey's CIM Ref.:22.1.26

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride
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Type Occurrence of Mcauslanite

Type Locality:East Kemptville Tin Mine, East Kemptville, Argyle, Yarmouth Co., Nova Scotia, Canada
Year of Discovery:1986

Physical Properties of Mcauslanite

Hardness (Mohs):

Crystallography of Mcauslanite

Crystal System:Triclinic
Cell Parameters:a = 10.05Å, b = 11.56Å, c = 6.88Å
α = 105.84°, β = 93.66°, γ = 106.47°
Ratio:a:b:c = 0.869 : 1 : 0.595
Unit Cell Volume:V 728.71 ų (Calculated from Unit Cell)

Optical Data of Mcauslanite

Type:Biaxial (-)
RI values: nα = 1.522 nβ = 1.531 nγ = 1.534
2V:Measured: 55° to 59.7°, Calculated: 58°
Maximum Birefringence:δ = 0.012

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none

Chemical Properties of Mcauslanite

Formula:
HFe
2+
3
Al
 
2
(PO
 
4
)
 
4
F · 18H
 
2
O
Essential elements:Al, F, Fe, H, O, P
All elements listed in formula:Al, F, Fe, H, O, P

Relationship of Mcauslanite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DB.05Diadochite
Fe
3+
2
(PO
 
4
)(SO
 
4
)(OH) · 5H
 
2
O
8.DB.05Pitticite
(Fe, SO
 
4
, AsO
 
4
, H
 
2
O) ?
8.DB.05Destinezite
Fe
3+
2
(PO
 
4
)(SO
 
4
)(OH) · 6H
 
2
O
8.DB.10Vashegyite
Al
 
11
(PO
 
4
)
 
9
(OH)
 
6
· 38H
 
2
O
8.DB.15Schoonerite
ZnMn
2+
 
Fe
2+
2
Fe
3+
 
(PO
 
4
)
 
3
(OH)
 
2
· 9H
 
2
O
8.DB.20Sinkankasite
H
 
2
Mn
2+
 
Al(PO
 
4
)
 
2
(OH) · 6H
 
2
O
8.DB.25Mitryaevaite
Al
 
6
(PO
 
4
)((P,S)O
 
3
(OH,O))
 
2
F
 
2
(OH)
 
2
· 14.5H
 
2
O
8.DB.30Sanjuanite
Al
 
2
(PO
 
4
)(SO
 
4
)(OH) · 9H
 
2
O
8.DB.35Sarmientite
Fe
3+
2
(AsO
 
4
)(SO
 
4
)(OH) · 5H
 
2
O
8.DB.40Bukovskýite
Fe
3+
2
(AsO
 
4
)(SO
 
4
)(OH) · 9H
 
2
O
8.DB.45Zýkaite
Fe
3+
4
(AsO
 
4
)
 
3
(SO
 
4
)(OH) · 15H
 
2
O
8.DB.50Giniite
Fe
2+
 
Fe
3+
4
(PO
 
4
)
 
3
(OH)
 
5
· 2H
 
2
O
8.DB.55Sasaite
(Al,Fe
3+
 
)
 
14
(PO
 
4
)
 
11
(SO
 
4
)(OH)
 
7
· 83H
 
2
O
8.DB.65Goldquarryite
CuCd
 
2
Al
 
3
(PO
 
4
)
 
4
F
 
2
(H
 
2
O,F)
 
2
· 10H
 
2
O
8.DB.70Birchite
Cd
 
2
Cu
 
2
(PO
 
4
)
 
2
(SO
 
4
) · 5H
 
2
O
8.DB.75Braithwaiteite
NaCu
 
5
Ti
 
2
Sb
 
2
(AsO
 
4
)(HAsO
 
4
)
 
2
O
 
2
· 8H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
22.1.1Amblygonite
LiAl(PO
 
4
)F
22.1.2Lacroixite
NaAl(PO
 
4
)F
22.1.3Natrophosphate
Na
 
7
(PO
 
4
)
 
2
F · 19H
 
2
O
22.1.5Nacaphite
Na
 
2
Ca(PO
 
4
)F
22.1.6Arctite
Na
 
2
Ca
 
4
(PO
 
4
)
 
3
F
22.1.7Nefedovite
Na
 
5
Ca
 
4
(PO
 
4
)
 
4
F
22.1.9Fluorapatite
Ca
 
5
(PO
 
4
)
 
3
F
22.1.10Herderite
CaBePO
 
4
(F,OH)
22.1.11Isokite
CaMg(PO
 
4
)F
22.1.12Panasqueiraite
CaMg(PO
 
4
)(OH,F)
22.1.13Babefphite
BaBePO
 
4
(F,OH)
22.1.14Fluellite
Al
 
2
(PO
 
4
)F
 
2
(OH) · 7H
 
2
O
22.1.15Minyulite
KAl
 
2
(PO
 
4
)
 
2
(OH,F) · 4H
 
2
O
22.1.16Morinite
NaCa
 
2
Al
 
2
(PO
 
4
)
 
2
(OH)F
 
4
· 2H
 
2
O
22.1.17Bøggildite
Na
 
2
Sr
 
2
Al
 
2
PO
 
4
F
 
9
22.1.18Fluorstrophite
SrCaSr
 
3
(PO
 
4
)
 
3
F
22.1.19Viitaniemiite
Na(Ca,Mn
2+
 
)Al(PO
 
4
)(F,OH)
 
3
22.1.20Väyrynenite
Mn
2+
 
Be(PO
 
4
)(OH,F)
22.1.21Maxwellite
NaFe
3+
 
(AsO
 
4
)F
22.1.22Wagnerite
(Mg,Fe
2+
 
)
 
2
(PO
 
4
)F
22.1.23Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(F,OH)
22.1.24Magniotriplite
(Mg,Fe
2+
 
,Mn
2+
 
)
 
2
PO
 
4
F
22.1.25Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
(PO
 
4
)F
22.1.27Richellite
CaFe
3+
2
(PO
 
4
)
 
2
(OH,F)
 
2
22.1.28Svabite
Ca
 
5
(AsO
 
4
)
 
3
F
22.1.29Tilasite
CaMg(AsO
 
4
)F
22.1.30Johnbaumite-M
Ca
 
5
(AsO
 
4
)
 
3
OH
22.1.31Durangite
NaAl(AsO
 
4
)F

Other Names for Mcauslanite

Synonyms:
IMA1986-051
Other Languages:
German:Mcauslanit
Spanish:Mcauslanita

Other Information

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 Mcauslanite

Reference List:

- +
RICHARDSON, J.M., ROBERTS, A.C., GRICE, J.D. & RAMIK, R.A. (1988): Mcauslanite, a supergene hydrated iron aluminum fluorophosphate from the East Kemptville tin mine, Yarmouth County, Nova Scotia. Canadian Mineralogist 26, 917-921. Abstract American Mineralogist (1990): 75: 707-708.

Internet Links for Mcauslanite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mcauslanite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Localities for Mcauslanite

    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.
    Canada
     
    • Nova Scotia
      • Yarmouth Co.
        • Argyle
          • East Kemptville
    RICHARDSON, J.M., ROBERTS, A.C., GRICE, J.D. & RAMIK, R.A. (1988): Mcauslanite, a supergene hydrated iron aluminum fluorophosphate from the East Kemptville tin mine, Yarmouth County, Nova Scotia. Canadian Mineralogist 26, 917-921.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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