Sabelliite

Formula: (Cu,Zn)2Zn[(As,Sb)O4](OH)3

Origin of name: for Cesare Sabelli, Italian mineralogist

 

Crystal system: hexagonal

Crystal class: -3

Twinning:

Unit cell: 

 

Colour: emerald green

Diaphaneity: transparent

Luster: adamantine

Habit: rounded tabular crystals with a coin-like shape, to 15 by 200 micron

Hardness: 4.5

Specific gravity: 4.65

Cleavage: none

Tenacity: 

Streak: light green

 

Synonyms/varieties:

 

Comments: 

 

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