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Feldspar
Feldspar

Beryllonite
Beryllonite



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Feldspar
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Beryllonite

Feldspar and Beryllonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.56-2.752.79-2.87
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal

Cleavage

two or three
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

Mohs Hardness

6-6.55.5-6
2 10
👆🏻

Chemical Composition

KAlSi3O8
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Feldspar and Beryllonite Chemical Formula

While comparing Feldspar and Beryllonite 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 Beryllonite chemical formula.

  • Chemical formula of Feldspar- KAlSi3O8
  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Feldspar and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Feldspar and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Feldspar and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Feldspar is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.