Plumbotellurite

Formula: PbTeO3

Origin of name: from Latin plumbum = lead and tellurite

 

Crystal system: orthorhombic

Crystal class: unknown

Twinning: 

Unit cell: 

 

Colour: gray, yellow-gray to brown

Diaphaneity: 

Luster: 

Habit: 

Hardness: 2

Specific gravity: 7.2

Cleavage: none

Tenacity: 

Streak: yellowish gray

 

Synonyms/varieties:

 

Comments: dimorphous with fairbankite

 

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