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Tsangpoite

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Formula:
Ca5(PO4)2(SiO4)
Crystal System:
Hexagonal
Name:
Named in honor of Tsang-Po Yen (顏滄波) (25 May 1914, Taipei, Japan (now Taiwan) - 17 February 1994 Taiwan), geologist at the Central Geological Survey of Taiwan and professor/head of the Institute of Geophysics at National Central University in Taiwan.
Dimorph of:
This page provides mineralogical data about Tsangpoite.


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Classification of TsangpoiteHide

Approved
Approval Year:
2015

Chemical Properties of TsangpoiteHide

Formula:
Ca5(PO4)2(SiO4)

Crystallography of TsangpoiteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 9.488(4) Å, c = 6.991(6) Å
Ratio:
a:c = 1 : 0.737
Unit Cell V:
545.03 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.94(
3.50(
3.10(
2.83(
2.82(
2.74(
2.66(
2.28(
Comments:
From Type Description.

Type Occurrence of TsangpoiteHide

General Appearance of Type Material:
Rod-like tsangpoite (Tsa) crystals with characteristic hexagonal cross section are typically < 30 μm in length and 1-15 μm in width.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Naturhistorisches Museum Wien, Vienna, Austria, inventory number Section D’Orbigny CN1172-NH Wien
Geological Setting of Type Material:
angrite meteorite
Associated Minerals at Type Locality:

Synonyms of TsangpoiteHide

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 TsangpoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hwang, S.-L., Shen, P., Chu, H.-T., Yui, T.-F., Varela, M.E., Iizuka, Y. (2015) Tsangpoite, IMA 2014-110. CNMNC Newsletter No. 25, June 2015, page 533; Mineralogical Magazine: 79: 529-535.
Hwang, S.-L., Shen, P., Chu, H.-T., Yui, T.-F., Varela, M.E., Iizuka, Y. (2016) Tsangpoite: The Unknown Calcium Silico Phosphate Phase in the Angrite D'Orbigny. In Lunar and Planetary Science Conference: 47: 1466.

Internet Links for TsangpoiteHide

Localities for TsangpoiteHide

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.
Antarctica
 
  • Eastern Antarctica
    • Queen Maud Land
      • Sør Rondane Mts
Hwang, S. L., Shen, P., Chu, H. T., Yui, T. F., Varela, M. E., & Iizuka, Y. (2016, March). Tsangpoite: The Unknown Calcium Silico Phosphate Phase in the Angrite D'Orbigny. In Lunar and Planetary Science Conference (Vol. 47, p. 1466).
Argentina (TL)
 
  • Buenos Aires
    • Coronel Suaréz
      • D'Orbigny
Hwang, S.-L., Shen, P., Chu, H.-T., Yui, T.-F., Varela, M.E. and Iizuka, Y. (2015) Tsangpoite, IMA 2014-110. CNMNC Newsletter No. 25, June 2015, page 533; Mineralogical Magazine, 79, 529-535.
Northwest Africa Meteorites
 
Srinivasan, P., Dunlap, D. R., Agee, C. B., Wadhwa, M., Coleff, D., Ziegler, K., ... & McCubbin, F. M. (2018). Silica-rich volcanism in the early solar system dated at 4.565 Ga. Nature communications, 9(1), 3036.
Hwang, S. L., Shen, P., Chu, H. T., Yui, T. F., Varela, M. E., & Iizuka, Y. (2016, March). Tsangpoite: The Unknown Calcium Silico Phosphate Phase in the Angrite D'Orbigny. In Lunar and Planetary Science Conference (Vol. 47, p. 1466).
Sahara Desert
 
Hwang, S. L., Shen, P., Chu, H. T., Yui, T. F., Varela, M. E., & Iizuka, Y. (2016, March). Tsangpoite: The Unknown Calcium Silico Phosphate Phase in the Angrite D'Orbigny. In Lunar and Planetary Science Conference (Vol. 47, p. 1466).
Mineral and/or Locality  
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