Beryllonite and Pargasite Physical Properties

Beryllonite

Pargasite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.873.04-3.26

1 7.18

1.5 Fracture

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

Splintery, Brittle, Uneven

1.6 Cleavage

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

{110} perfect

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

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

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Beryllonite and Pargasite Chemical Formula

While comparing Beryllonite and Pargasite 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 Pargasite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Beryllonite Vs Bytownite

Beryllonite Vs Cassiterite

Beryllonite Vs Cancrinite

Beryllonite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.