Pargasite and Hodgkinsonite Physical Properties

Pargasite

Hodgkinsonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.264.06-4.08

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

{110} perfect

{???} Perfect

1.7 Mohs Hardness

5-64.5-5

2 10

1.8 Chemical Composition

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

Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pargasite and Hodgkinsonite Chemical Formula

While comparing Pargasite and Hodgkinsonite 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 Hodgkinsonite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Pargasite Vs Prase Opal

Pargasite Vs Prasiolite

Pargasite Vs Powellite

Pargasite and Hodgkinsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Hodgkinsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Hodgkinsonite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 4.06-4.08 whereas that of Hodgkinsonite is 4.06-4.08.