Beryllonite and Fluorite Physical Properties

Beryllonite

Fluorite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.873.00-3.25

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

5.5-64

2 10

1.8 Chemical Composition

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaF₂

Beryllonite and Fluorite Chemical Formula

While comparing Beryllonite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorite- CaF₂

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Beryllonite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.