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Liversidgeite

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Formula:
Zn
 
6
(PO
 
4
)
 
4
· 7H
 
2
O
System:TriclinicColour:Colourless, white
Hardness:3 - 3½
Name:Named for Professor Archibald Liversidge (1846-1927), Professor of Geology and Mineralogy, and later Professor of Mineralogy and Chemistry at the University of Sydney. The name is in recognition of his contributions to the study of the mineralogy of New South Wales, in particular that of the Broken Hill deposit, and also recognises his contribution to science education, especially in mineralogy and chemistry.


Structurally related to rimkorolgite and bakhchisaraitsevite.

Classification of Liversidgeite

IMA status:Approved 2008
Dana 8th edition ID:40.2.21.

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
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Type Occurrence of Liversidgeite

Type Locality:Block 14 Opencut, Broken Hill, Yancowinna Co., New South Wales, Australia
General Appearance of Type Material:Tiny white, thin, bladed crystals and as hemispherical aggregates of radiating crystals.
Associated Minerals at type locality:
SulphurPyromorphiteGreenockiteAnglesiteAnglesite

Physical Properties of Liversidgeite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colourless, white
Streak:White
Hardness (Mohs):3 - 3½
Fracture:Irregular/Uneven
Density (measured):3.21(2) g/cm3
Density (calculated):3.28 g/cm3

Crystallography of Liversidgeite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 8.299(17) Å, b = 9.616(19) Å, c = 12.175(2) Å
α = 71.68(3)°, β = 82.02(3)°, γ = 80.18(3)°
Ratio:a:b:c = 0.863 : 1 : 1.266
Unit Cell Volume:V 905.1 ų
Z:2
Morphology:Thin bladed crystals.
X-Ray Powder Diffraction:
d-spacingIntensity
8.438 (80)
3.414 (40)
3.206 (60)
2.967 (75)
2.956 (75)
2.550 (85)
2.537 (100)
2.085 (40)

Optical Data of Liversidgeite

Type:Biaxial (-)

Chemical Properties of Liversidgeite

Formula:
Zn
 
6
(PO
 
4
)
 
4
· 7H
 
2
O
Essential elements:H, O, P, Zn
All elements listed in formula:H, O, P, Zn
Empirical Formula:
Pb0.01(Zn5.86,Mn0.06)sum5.92(P4.01,As0.05,S0.04)sum4.10O16.20•6.8H2O

Other Names for Liversidgeite

Synonyms:
IMA2008-048
Other Languages:

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 Liversidgeite

Reference List:

- +
Elliott, P, Giester, G., Libowitzky, E. and Kolitsch, U. (2010): Description and crystal structure of liversidgeite, Zn6(PO4)4•7H2O, a new mineral from Broken Hill, New South Wales, Australia. Am. Mineral. 95, 397-404.

Internet Links for Liversidgeite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Localities for Liversidgeite

    (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.
    Australia
     
    • New South Wales
      • Yancowinna Co.
        • Broken Hill
    Elliott, P, Giester, G., Libowitzky, E. and Kolitsch, U. (2010): Description and crystal structure of liversidgeite, Zn6(PO4)4•7H2O, a new mineral from Broken Hill, New South Wales, Australia. Am. Mineral. 95, 397-404.
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