Pargasite and Boracite Physical Properties

Pargasite

Boracite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.262.95-2.96

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

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

1.6 Cleavage

{110} perfect

None

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

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

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pargasite and Boracite Chemical Formula

While comparing Pargasite and Boracite 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 Pargasite and Boracite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Pargasite Vs Prasiolite

Pargasite Vs Powellite

Pargasite Vs Prase Opal

Pargasite and Boracite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Boracite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.95-2.96 whereas that of Boracite is 2.95-2.96.