Sclarite

Formula: (Zn,Mg,Mn)4Zn3(CO3)2(OH)10

Origin of name: for Charles Sclar, American mineralogist

 

Crystal system: monoclinic

Crystal class: 2/m

Twinning:

Unit cell: 

 

Colour: colourless

Diaphaneity: transparent

Luster: vitreous

Habit: platy crystals to 0.2 mm in clusters to 1.5 mm

Hardness: 3 to 4

Specific gravity: 3.51

Cleavage: none

Tenacity: 

Streak: white

 

Synonyms/varieties:

 

Comments: 

 

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