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Rhabdophane-(Y)

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Formula:
YPO4·H2O
Colour:
Yellowish white to yellowish brown
Lustre:
Silky, Dull
Specific Gravity:
4.54 (Calculated)
Crystal System:
Hexagonal
Name:
Named for its relationship to other rhabdophane group minerals and for its dominant yttirum rare-earth content.
This page provides mineralogical data about Rhabdophane-(Y).


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Classification of Rhabdophane-(Y)Hide

Approved
Approval Year:
2011
First Published:
2012

Physical Properties of Rhabdophane-(Y)Hide

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

Chemical Properties of Rhabdophane-(Y)Hide

Formula:
YPO4·H2O
IMA Formula:
Y(PO4) · H2O

Crystallography of Rhabdophane-(Y)Hide

Crystal System:
Hexagonal
Class (H-M):
6 2 2 - Trapezohedral
Space Group:
P62 2 2
Setting:
P62 2 2
Cell Parameters:
a = 6.959(2) Å, c = 6.384(2) Å
Ratio:
a:c = 1 : 0.917
Unit Cell V:
267.7 ų
Z:
3
Morphology:
Short rod-like crystals, forms radial aggregates

X-Ray Powder DiffractionHide

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)

Type Occurrence of Rhabdophane-(Y)Hide

General Appearance of Type Material:
short rod like crystals forming radial aggregates.
Place of Conservation of Type Material:
Kitakyshu Museum of Natural and Human History, Kitakyshu, Japan # KMNHM000002
Geological Setting of Type Material:
Occurs in the Higashimatsuura olivine basalt
Associated Minerals at Type Locality:
Reference:
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.

Synonyms of Rhabdophane-(Y)Hide

Other Language Names for Rhabdophane-(Y)Hide

Relationship of Rhabdophane-(Y) to other SpeciesHide

Other Members of this group:
Brockite(Ca,Th,Ce)PO4 · H2OHex. 6 2 2 : P62 2 2
Rhabdophane-(Ce)Ce(PO4) · H2OHex. 6 2 2 : P62 2 2
Rhabdophane-(La)La(PO4) · H2OHex. 6 2 2 : P62 2 2
Rhabdophane-(Nd)Nd(PO4) · H2OHex. 6 2 2 : P62 2 2
Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2OHex.

Other InformationHide

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)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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)Hide

Localities for Rhabdophane-(Y)Hide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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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