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Nuummite
Nuummite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.18-3.37
Conchoidal
Perfect on 210
5.5-6
Na(Fe,Mg)7(AlSi7O22)(OH)2
 
-
-
-
3.32
-
{???} Distinct, {???} Distinct, {???} Distinct
-9999
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)