General Information:
Chemical Formula:
Ca(UO2)2V2O8·5-8(H2O)
Composition:
(Molecular Weight = 918.10 gm)
Calcium 4.37 % Ca
Uranium 51.85 % U
Vanadium 11.10 % V
Hydrogen 1.32 % H
Oxygen 31.37 % O
Empirical Formula:
Ca(UO2)2(VO4)2·6(H2O)
Locality:
Found in the Tyuya-Muyun (Tuja Mujun) hill, a northern spur of the Alai Mountains, Ferghana, in Turkestan.
Name Origin:
Named from its locality.
Physical Properties:
Cleavage:
[001] Perfect, [010] Distinct, [100] Distinct
Color:
greenish yellow or yellow.
Density:
3.3 - 4.3, Average = 3.8
Diaphaniety:
Translucent to Opaque
Habits:
Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite)., Scaly - Morphology like fish scales., Platy - Sheet forms (e.g. micas).
Hardness:
1.5-2 - Talc-Gypsum
Luminescence:
None.
Luster:
Adamantine - Pearly
Streak:
light yellow
More details...