URANOSPHAERITE


Meaning of URANOSPHAERITE in English

General Information:

Chemical Formula:

Bi2U2O9·3(H2O)

Composition:

(Molecular Weight = 1,092.06 gm)

Uranium 43.59 % U

Bismuth 38.27 % Bi

Hydrogen 0.55 % H

Oxygen 17.58 % O

Empirical Formula:

Bi2U2O9·3(H2O)

Environment:

Oxidic zone of "gummite" alteration of uraninite.

Locality:

Shinkolobwe, Shaba, Zaire.

Name Origin:

Named for the compostition uranium and the Greek for sphere, in allusion to its globular forms.

Physical Properties:

Cleavage:

[001] Good

Color:

orange, red orange, or brick red.

Density:

6.36

Habits:

Botryoidal - "Grape-like" rounded forms (e.g.. malachite)., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite),

Hardness:

2-3 - Gypsum-Calcite

Luster:

Greasy (Oily)

Streak:

yellow

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .