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Rhabdophane-(Y)

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Formula:
YPO
 
4
·H
 
2
O
System:HexagonalColour:Yellowish white to ...
Member of:Rhabdophane Group
This page provides mineralogical data about Rhabdophane-(Y).

Classification of Rhabdophane-(Y)

IMA status:Approved 2011
mindat.org URL:http://www.mindat.org/min-42532.html
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Type Occurrence of Rhabdophane-(Y)

Type Locality:Hinodematsu, Genkai-cho, Higashimatsuura-gun, Saga Prefecture, Kyushu Region, Japan
Geological Setting of type material:Occurs in a druse of the Higashimatsuura basalt

Physical Properties of Rhabdophane-(Y)

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

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:
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:
YPO
 
4
·H
 
2
O
Simplified for copy/paste:YPO4·H2O
Essential elements:H, O, P, Y
All elements listed in formula:H, O, P, Y

Relationship of Rhabdophane-(Y) to other Species

Member of:Rhabdophane Group
Other Members of Group:

- +
Brockite
(Ca,Th,Ce)PO
 
4
· H
 
2
O
Rhabdophane-(Ce)
(Ce,La)(PO
 
4
) · H
 
2
O
Rhabdophane-(La)
(La,Ce)(PO
 
4
) · H
 
2
O
Rhabdophane-(Nd)
(Nd,Ce,La)(PO
 
4
) · H
 
2
O
Tristramite
(Ca,U,Fe)(PO
 
4
,SO
 
4
) · 2H
 
2
O

Other Names for Rhabdophane-(Y)

Synonyms:
IMA2011-031
Other Languages:
German:Rhabdophan-(Y)

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 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)

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  • Localities for Rhabdophane-(Y)

    (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.
    Japan
     
    • 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.
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