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Aeschynite-(Y)

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Aeschynite-(Y)
A fine, well-terminated, complete all-around aeschynite-(Y) crystal from Iveland, Norway
General
CategoryOxide mineral
Formula
(repeating unit)		(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
IMA symbolAes-Y[1]
Strunz classification4.DF.05
Crystal systemOrthorhombic
Crystal classDipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space groupPmnb
Identification
Other characteristics Radioactive

Aeschynite-(Y) (or Aeschinite-(Y), Aeschynite-(Yt), Blomstrandine, Priorite) is a rare earth mineral of yttrium, calcium, iron, thorium, titanium, niobium, oxygen, and hydrogen with the chemical formula (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6. Its name comes from the Greek word for "shame". Its Mohs scale rating is 5 to 6.

References

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.


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