Chemistry:Vantasselite

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Vantasselite
Vantasselite.jpg
Vantasselite, from Bihain, Vielsalm, Luxembourg Province, Belgium
General
CategoryPhosphate minerals
Formula
(repeating unit)
Al4(PO4)3(OH)3 •9H2O
Strunz classification8.DC.37
Crystal systemOrthorhombic
Unknown space group
Unit cella = 10.52 Å, b = 16.54 Å
c = 20.37 Å; Z = 8
Identification
Colorwhite
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References[1]

Vantasselite is a rare aluminium phosphate mineral with formula: Al4(PO4)3(OH)3 •9H2O. It crystallizes in the orthorhombic system and has a white color, a hardness of 2 to 2.5, a white streak and a pearly luster.[3]

It occurs in a quartzite quarry north of Bihain, Belgium It was first described in 1987 and named after Belgian mineralogist René Van Tassel.[1][3]

References

  1. 1.0 1.1 "Vantasselite Mineral Information and Data". Mindat.org. Archived from the original on April 10, 2009. https://web.archive.org/web/20090410043050/http://www.mindat.org/min-4150.html. 
  2. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode2021MinM...85..291W. 
  3. 3.0 3.1 Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Vantasselite". Mineral Data Publishing. Archived from the original on February 24, 2012. https://web.archive.org/web/20120224013522/http://rruff.geo.arizona.edu/doclib/hom/vantasselite.pdf.