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Zinnwaldite
Zinnwaldite

Melanite
Melanite



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Zinnwaldite
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Melanite

Zinnwaldite and Melanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-
 
-
-
-
3.70-4.10
Conchoidal
Indistinct
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Zinnwaldite and Melanite Chemical Formula

While comparing Zinnwaldite and Melanite 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 Zinnwaldite and Melanite chemical formula.

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Zinnwaldite and Melanite Specific Gravity

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