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Feldspar
Feldspar

Brazilianite
Brazilianite



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Feldspar
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Brazilianite

Feldspar and Brazilianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8
 
-
-
-
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

Feldspar and Brazilianite Chemical Formula

While comparing Feldspar 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 Feldspar and Brazilianite chemical formula.

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Feldspar and Brazilianite Specific Gravity

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