Yttrotungstite-(Y) (Yttrotungstit-(Y))

Yttrium, Sauerstoff, Wasserstoff, Wolfram

WO₃ : 71.45, Al₂O₃ : 0.87, Ce₂O₃ : 2.06, Nd₂O₃ : 2.33, Sm₂O₃ : 0.76, Gd₂O₃ : 1.27, Dy₂O₃ : 1.38, Er₂O₃ : 1.15, Yb₂O₃ : 1.18, Y₂O₃ : 10.29, H₂O : 5.03, Ln₂O₃ : 21.53 (Ref: Mineralogical Magazine 71)

4.FD.20

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
F: Hydroxide (ohne V oder U)
D: Hydroxide mit OH, ohne H₂O; Ketten aus kantenverknüpften Oktaeder
20:Yttrotungstit-Gruppe

IV/E.02-070

IV: OXIDE
E: Oxide mit Verhältnis Metall : Sauerstoff < 1:2 (M2O5, MO3 u.a.)

4.EC.270

4: OXIDES
E: R₂O₅ RO₃ and others
C: Woxides

49.03.03.02

49: Basic and Hydrated Molybdates and Tungstates
03: Basic and Hydrated Molybdates and Tungstates (Hydrated, containing Hydroxyl or Halogen)
03: Yttrotungstite Group

Anerkannt von der CNMNC

anerkanntes Mineral

gelblichweiß

0.13

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

1.89

1.98

2.02

1.963

Biaxial (-) 68°

2/m

11

P2₁/m

6.95

8.64

5.77

0.804

0.668

90°

104.93

90°

2

334.78

6.73(70),
4.98(80),
4.684(100),
3.36(70),
3.27(100),
2.869(70),
2.790(70),
2.028(90)

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

5.988 ( ρ calc. Mineralienatlas )