Damaraite

Formula:  Pb4O3Cl2

Origin of name:  For Damara sequence of dolostones, Kombat mine, Tsumeb, Namibia

 

Crystal system:  Orthorhombic

Crystal class:  mm2 or 2/m 2/m 2/m

Twinning:

Unit cell:

 

Colour:  Colourless

Diaphaneity:  Transparent

Luster:  Adamantine

Habit:  Subhedral grains 150 x 200 µm

Hardness:  3

Specific gravity:

Cleavage:  1; {010} good

Tenacity:

Streak:  White

 

Synonyms/varieties:

 

Comments:

 

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