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Zinnwaldite
Zinnwaldite

Brazilianite
Brazilianite



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Zinnwaldite
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Brazilianite

Zinnwaldite and Brazilianite 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
-
 
-
-
-
2.98-2.99
Conchoidal
(010) Distinct to good
5.5
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Zinnwaldite and Brazilianite Chemical Formula

While comparing Zinnwaldite and Brazilianite 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 Brazilianite chemical formula.

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Zinnwaldite and Brazilianite Specific Gravity

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