Dewindtite

Formula:  Pb3(UO2)6H2(PO4)4O4 . 12H2O

Origin of name:  For Jean Dewindt, Belgian geologist

 

Crystal system:   Orthorhombic

Crystal class:   2/m 2/m 2/m

Twinning:

Unit cell: 

 

Colour:   Canary yellow

Diaphaneity:  Translucent

Luster: 

Habit:   Flattened tablets, striated parallel to c-axis, microscopic; fine-grained, compact

Hardness

Specific gravity:   5.03

Cleavage:   1; {100} perfect

Tenacity: 

Streak:   Pale yellow

 

Synonyms/varieties:

 

Comments:  Fluoresces green

 

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