Sonoraite

Formula: FeTeO3(OH).H2O

Origin of name: after locality Moctezuma mine, Sonora, Mexico

 

Crystal system: monoclinic

Crystal class: 2/m

Twinning:

Unit cell: a = 10.98 Å, b = 10.27 Å, c = 7.92 Å, b = 108.5°

 

Colour: yellow-green

Diaphaneity: 

Luster: vitreous

Habit: crystals platy, in rosettes and sheaves in aggregates to 1 mm across

Hardness: about 3 (approximate)

Specific gravity: 3.95

Cleavage: none

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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