
General Information:

Chemical Formula:
(Fe+++,Al)(UO2)4(PO4)2(SO4)2(OH)·22(H2O)

Composition:
(Molecular Weight = 1,916.94 gm)
Uranium 49.67 %
U Aluminum 0.70 %
AlIron 1.46 %
FePhosphorus 3.23 %
P Hydrogen 2.37 %
H Sulfur 3.35 %
S Oxygen 39.23 %
O 
Empirical Formula:
Fe3+0.5Al0.5(UO2)4(PO4)2(SO4)2(OH)·22(H2O)

IMA Status:
Approved IMA 1978

Locality:
Xiangjiang River, Hunan, China.

Name Origin:
Named after the locality.
Physical Properties:

Color:
yellow or bright yellow.

Density:
2.9 - 3.1, Average = 3

Habits:
Microscopic Crystals - Crystals visible only with microscopes., Platy - Sheet forms (e.g. micas).,

Hardness:
1-2 - Between Talc and Gypsum

Luster:
Silky

Streak:
light yellow
More details...