Poughite

Formula: Fe2(TeO3)2(SO4).3H2O

Origin of name: for F. Pough, American mineralogist

 

Crystal system: orthorhombic

Crystal class: mm2

Twinning: 

Unit cell: 

 

Colour: dark yellow to brownish yellow, greenish yellow

Diaphaneity: 

Luster: 

Habit: crystals tabular, diamond-shaped, drusy crusts

Hardness: 2.5

Specific gravity: 3.75

Cleavage: 2; {010} perfect, {101} good

Tenacity: 

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Comments: 

 

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