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Beryllonite
Beryllonite

Gypsum
Gypsum



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Beryllonite
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Gypsum

Beryllonite and Gypsum Physical Properties

Physical Properties

Tenacity

Brittle
Flexible

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.79-2.872.20-2.40
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Splintery, Fibrous

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Perfect on {010}, distinct on {100}

Mohs Hardness

5.5-62
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Beryllonite and Gypsum Chemical Formula

While comparing Beryllonite and Gypsum 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 Beryllonite and Gypsum chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Beryllonite and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.