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Rhabdophane-(Y)

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Formula:
YPO4·H2O
System:
Hexagonal
Colour:
Yellowish white to ...
This page provides mineralogical data about Rhabdophane-(Y).

Classification of Rhabdophane-(Y)

Approved 2011
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Type Occurrence of Rhabdophane-(Y)

Geological Setting of Type Material:
Occurs in a druse of the Higashimatsuura basalt

Physical Properties of Rhabdophane-(Y)

Silky, Dull
Colour:
Yellowish white to yellowish brown
Density:
4.54 g/cm3 (Calculated)

Crystallography of Rhabdophane-(Y)

Crystal System:
Hexagonal
Class (H-M):
6 2 2 - Trapezohedral
Space Group:
P62 2 2
Space Group Setting:
P62 2 2
Cell Parameters:
a = 6.959(2)Å, c = 6.384(2)Å
Ratio:
a:c = 1 : 0.917
Unit Cell Volume:
V 267.7 ų
Z:
3
Morphology:
Short rod-like crystals, forms radial aggregates
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.026 (76)
3.013 (77)
4.385 (47)
3.480 (44)
2.821 (100)
2.127 (28)
1.854 (26)

Chemical Properties of Rhabdophane-(Y)

Formula:
YPO4·H2O
Essential elements:
All elements listed in formula:

Relationship of Rhabdophane-(Y) to other Species

Other Members of Group:
Brockite(Ca,Th,Ce)PO4 · H2O
Rhabdophane-(Ce)(Ce,La)(PO4) · H2O
Rhabdophane-(La)(La,Ce)(PO4) · H2O
Rhabdophane-(Nd)(Nd,Ce,La)(PO4) · H2O
Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2O

Other Names for Rhabdophane-(Y)

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Rhabdophane-(Y)

Reference List:
Takai, Y. & Uehara, S. (2012): Rhabdophane-(Y), YPO4·H2O, a new mineral in alkali olivine basalt from Hinodematsu, Genkai-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107, 110-113.

Internet Links for Rhabdophane-(Y)

Localities for Rhabdophane-(Y)

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Japan (TL)
 
  • Kyushu Region
    • Saga Prefecture
      • Higashimatsuura-gun
        • Genkai-cho
Takai, Y. & Uehara, S. (2012): Rhabdophane-(Y), YPO4·H2O, a new mineral in alkali olivine basalt from Hinodematsu, Genkai-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107, 110-113.
Mineral and/or Locality  
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