Bayleyite

Formula:  Mg2(UO2)(CO3)3 . 18H2O

Origin of name:  For William Bayley, American geologist

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell:

 

Colour:  Yellow; colour lightens on exposure

Diaphaneity:  Transparent

Luster:  Vitreous

Habit:  Crystals short prismatic; crusts

Hardness:

Specific gravity:  2.05

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Fluoresces weak yellowish green

 

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