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Larvikite
Larvikite

Pumpellyite
Pumpellyite



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Larvikite
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Pumpellyite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.59
-
None
6-6.5
(Na,Ca)2(Fe2+,Mg)3Si3O10
 
-
-
-
3.20-3.30
-
Perfect
5-6
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.