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Natrolite
Natrolite

Annabergite
Annabergite



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Natrolite
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Annabergite

Natrolite and Annabergite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.20-2.26
Uneven
Perfect on {110}
5-5.5
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Sectile
-
-
3.07
-
Perfect on {010}, indistinct on {100} and {102}
2
Ni3(AsO4)2•8(H2O)

Natrolite and Annabergite Chemical Formula

While comparing Natrolite and Annabergite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Natrolite and Annabergite chemical formula.

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Natrolite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite Vs Annabergite during the identification of gemstone. Specific gravity of Natrolite is whereas that of Annabergite is .