Jixianite

Formula:  Pb(W,Fe)2(O,OH)7

Origin of name:  After locality; Jixian, China

 

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning: 

Unit cell: 

 

Colour:  Red to brownish-red

Diaphaneity:  Transparent

Luster:  Resinous

Habit:  Crystals octahedral, submicroscopic; aggregates, microcrystalline, honeycomb or crust-like

Hardness:  ~ 3

Specific gravity:  6.04

Cleavage:  None

Tenacity: 

Streak:  Yellow

 

Synonyms/varieties:

 

Comments: 

 

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