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