Molybdofornacite

Formula:  Pb2Cu(AsO4,PO4)(MoO4,CrO4)(OH)

Origin of name:  From molybdenum and fornacite

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning: 

Unit cell: a = 8.10 Å, b = 5.95 Å, c = 17.65 Å, β = 109.2°

 

Colour:  Light green

Diaphaneity: 

Luster:  Adamantine

Habit:  Crystals lath-like, minute

Hardness:  2 to 3

Specific gravity:  6.6

Cleavage:  None

Tenacity:  Conchoidal

Streak:  Yellow

 

Synonyms/varieties:

 

Comments: 

 

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