Aeschynite-(Y)

Aeschynite-(Y)
Aeschynite-(Y)
	A fine, well-terminated, complete all-around aeschynite-(Y) crystal from Iveland, Norway
General
Category	Oxide mineral
Formula; (repeating unit)	(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
IMA symbol	Aes-Y
Strunz classification	4.DF.05
Crystal system	Orthorhombic
Crystal class	Dipyramidal (mmm) ; H-M symbol: (2/m 2/m 2/m)
Space group	Pmnb
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 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[]

^ 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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[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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