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Caysichite-(Y)

A valid IMA mineral species
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This page provides mineralogical data about Caysichite-(Y).


Unique Identifiers
First published:
1974
Type description reference:
Hogarth, D.D., Chao, G.Y., Plant. G.A. & Steacy, H. R. (1974): Caysichite, a new silico-carbonate of yttrium and calcium. Canadian Mineralogist.12: 293-298

Classification of Caysichite-(Y)
Dana 8th ed.:
70.1.2.2

70 : INOSILICATES Column or Tube Structures
1 : Column or Tube Structures with columnar silicate units
Hey's CIM Ref.:
17.4.11

17 : Silicates Containing other Anions
4 : Silicates with carbonates

Mineral Symbols
Transparency:
Transparent, Translucent
Colour:
Colourless, white, pale yellow, rarely greenish
Streak:
White
Hardness:
4½ onMohs scale
Density:
3.03 g/cm3 (Measured)    3.029 g/cm3 (Calculated)

Optical Data of Caysichite-(Y)
Surface Relief:
Moderate
Dispersion:
r > v
Optical Extinction:
X = b; Y = a; Z = c.

Chemistry of Caysichite-(Y)

Crystallography of Caysichite-(Y)
General Appearance of Type Material:
Coating on fractures or as incrustations with a divergent columnar structure. Rare terminated crystals.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Ontario, Canada.
Canadian Geological Survey, Ottawa, Canada, 10402.
The Natural History Museum, London, England, 1977,278.
Geological Setting of Type Material:
Granite pegmatite.
Associated Minerals at Type Locality:
QuartzHellanditeFergusoniteKainosite-(Y)Lokkaite-(Y)
ThorogummiteSpessartineXenotimeWakefielditeSynchysite-(Y)
Reference:
Hogarth, D.D., Chao, G.Y., Plant. G.A. & Steacy, H. R. (1974): Caysichite, a new silico-carbonate of yttrium and calcium. Canadian Mineralogist.12: 293-298

Synonyms of Caysichite-(Y)

Other Language Names for Caysichite-(Y)

Common AssociatesTet. 4/m :I4/m9.DJ.10Laplandite-(Ce)Na4CeTiPO4Si7O18 · 5H2OOrth.mmm(2/m2/m2/m) :Pmmm9.DJ.20Seidite-(Ce)Na4(Ce,Sr)2[TiSi8O18(OH)2](O,OH,F)4 · 5H2OMon. 2/m :B2/b9.DJ.25Carlosturanite(Mg,Fe,Ti)21(Si,Al)12O28(OH)34 · H2OMon.m :Bm9.DJ.30JonesiteBa4(K,Na)2Ti4Al2(Si3O9)2(SiO4)4O2 · 6H2OMon. 2/m :P2/m

Fluorescence of Caysichite-(Y)

Other Information
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    • References for Caysichite-(Y)ⓘParatoo copper Mine
    Canada (TL)
     
    Hogarth et al. (1974)
    Czech Republic
     
    Dolníček et al. (2024)
    Germany
     
    Habel (2009)
    Italy
     
    Palenzona A. et al. (Y)Palenzona et al. (2004)+1 other reference
    Japan
     
    Yamada et al. (2004)
    Malawi
     
    Massanek (1999)+1 other reference
    Norway
     
    Kristiansen (1993)
    Russia
     
    Voloshin A.V. et al. (1986)+1 other referencePekov et al. (2008)
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