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Garyansellite

Big Photo

Rapid Creek, Dawson Mining District, Yukon Territory, Canada
© 2007, J. Weissman

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
German names:
Garyansellit
Spanish names:
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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    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
    AmMin 69:207-209
    USA
     
    • South Dakota
      • Pennington Co.
        • Keystone District
          • Glendale
    		No reference listed
    Mineral and/or Locality
    Google
     
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