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Garyansellite

Big Photo

Rapid Creek, Dawson Mining District, Yukon Territory, Canada
© 2007, JGW

Formula:
(Mg,Fe)
 
3
(PO
 
4
)
 
2
(OH,O)·1.5H
 
2
O
System:OrthorhombicHardness:4
Name:For Canadian geologist and mineralogist, H. Gary Ansell.


Garyansellite-Kryzhanovskite Series.

Classification of Garyansellite

IMA status:Approved 1981
Strunz 8th edition ID:7/C.08-30
Nickel-Strunz 10th (pending) edition ID:8.CC.05

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
C : With only medium-sized cations, RO4:H2O = 1:1.5
Dana 8th edition ID:40.3.2.5

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
Hey's CIM Ref.:19.14.12

19 : Phosphates
14 : Phosphates of Fe and other metals
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Type Occurrence of Garyansellite

Type Locality:Rapid Creek, Dawson Mining District, Yukon Territory, Canada
Year of Discovery:1984

Physical Properties of Garyansellite

Hardness (Mohs):4

Crystallography of Garyansellite

Crystal System:Orthorhombic
Cell Parameters:a = 9.45Å, b = 9.89Å, c = 8.19Å
Ratio:a:b:c = 0.956 : 1 : 0.828
Unit Cell Volume:V 765.44 ų (Calculated from Unit Cell)

Optical Data of Garyansellite

Type:Biaxial (-)
RI values: nα = 1.733 nβ = 1.757 nγ = 1.761
2V:Measured: 55° , Calculated: 42°
Maximum Birefringence:δ = 0.028

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v

Chemical Properties of Garyansellite

Formula:
(Mg,Fe)
 
3
(PO
 
4
)
 
2
(OH,O)·1.5H
 
2
O
Essential elements:H, Mg, O, P
All elements listed in formula:Fe, H, Mg, O, P

Relationship of Garyansellite to other Species

Series:Forms a series with Kryzhanovskite (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
8.CC.05Kryzhanovskite
MnFe
 
2
(PO
 
4
)
 
2
(OH)
 
2
·H
 
2
O
8.CC.05Landesite
Mn
2+
3-x
Fe
3+
x
[(OH)
 
x
|(PO
 
4
)
 
2
] · (3-x)H
 
2
O
8.CC.05Phosphoferrite
(Fe,Mn)
 
3
(PO
 
4
)
 
2
·3H
 
2
O
8.CC.05Reddingite
(Mn,Fe)
 
3
(PO
 
4
)
 
2
·3H
 
2
O
8.CC.10Kaatialaite
Fe(H
 
2
AsO
 
4
)
 
3
·5H
 
2
O
8.CC.15Leogangite
Cu
 
10
[(OH)
 
6
|SO
 
4
|(AsO
 
4
)
 
4
] · 8H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.14.1Cyrilovite
NaFe
3+
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
19.14.2Kidwellite
NaFe
3+
9
[(OH)
 
5
|(PO
 
4
)
 
3
]
 
2
 · 5H
 
2
O
19.14.3Rosemaryite
(Na,Ca,Mn)(Mn,Fe
2+
 
)(Fe
3+
 
,Mg)Al(PO
 
4
)
 
3
19.14.4Wyllieite
(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO
 
4
)
 
3
19.14.5Ferrowyllieite
(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
 
4
)
 
3
19.14.6Natrodufrénite
NaFe
2+
 
(Fe
3+
 
,Al)
 
5
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.7Leucophosphite
KFe
3+
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
19.14.8Spheniscidite
(NH
 
4
,K)(Fe
3+
 
,Al)
 
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
19.14.9Burangaite
(Na,Ca
 
0.5
)(Fe
2+
 
,Mg)Al
 
5
[(OH,O)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.10Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
[(OH,O)|PO
 
4
]
19.14.11Ushkovite
MgFe
3+
2
[PO
 
4
]
 
2
(OH)
 
2
 · 8H
 
2
O
19.14.13Thadeuite
Ca(Mg,Fe
2+
 
)
 
3
[(OH,F)|PO
 
4
]
 
2
19.14.14Anapaite
Ca
 
2
Fe
2+
 
[PO
 
4
]
 
2
 · 4H
 
2
O
19.14.15Xanthoxenite
Ca
 
4
Fe
3+
2
[OH|(PO
 
4
)
 
2
]
 
2
 · 3H
 
2
O
19.14.16Calcioferrite
Ca
 
2
Fe
3+
2
[OH|(PO
 
4
)
 
3
] · 7H
 
2
O
19.14.17Mitridatite
Ca
 
2
Fe
3+
3
[O
 
2
|(PO
 
4
)
 
3
] · 3H
 
2
O
19.14.18Mélonjosephite
CaFe
2+
 
Fe
3+
 
[OH|(PO
 
4
)
 
2
]
19.14.19Delvauxite
CaFe
 
4
(PO
 
4
,SO
 
4
)
 
2
(OH)
 
8
·4-6H
 
2
O not confirmed·
19.14.20Collinsite
Ca
 
2
(Mg,Fe
2+
 
)[PO
 
4
]
 
2
 · 2H
 
2
O
19.14.21Segelerite
Ca
 
2
 Mg
 
2
 Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
19.14.22Kingsmountite
Ca
 
4
(Fe
2+
 
,Mn
2+
 
)Al
 
4
[(OH)
 
2
|(PO
 
4
)
 
3
]
 
2
 · 12H
 
2
O
19.14.23Vauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
19.14.24Metavauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
19.14.25Paravauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
19.14.26Sigloite
Fe
3+
 
Al
 
2
[(OH)
 
3
|(PO
 
4
)
 
2
] · 7H
 
2
O
19.14.27Cacoxenite
Fe
3+
24
Al[(OH)
 
12
|O
 
6
|(PO
 
4
)
 
17
] · 17H
 
2
O
19.14.28Koninckite
Fe
3+
 
[PO
 
4
] · 3H
 
2
O
19.14.29Lazulite
(Mg,Fe
2+
 
)Al
 
2
[OH|PO
 
4
]
 
2
19.14.30Scorzalite
(Fe
2+
 
,Mg)Al
 
2
[OH|PO
 
4
]
 
2
19.14.31Souzalite
(Mg,Fe
2+
 
)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.32Gormanite
(Fe
2+
 
,Mg)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.33Zaïrite
Bi(Fe
3+
 
,Al)
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]

Other Names for Garyansellite

Synonyms:
IMA1981-019
Other Languages:
German:Garyansellit
Spanish:Garyansellita

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 Garyansellite

Reference List:American Mineralogist: 69: 207-209.

Internet Links for Garyansellite

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  • Raman and XRD data at RRUFF project
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  • Garyansellite details from Handbook of Mineralogy (PDF)
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    Localities for Garyansellite

    (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
     
    • Yukon Territory
      • Dawson Mining District
    		MinRec 23:4-47
    Amer.Min.(1984) 69, 207-209
    USA
     
    • South Dakota
      • Pennington Co.
        • Keystone District
          • Glendale
    		No reference listed
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 29th Oct 2009 10:01:24