Afghanite and Pyrargyrite Physical Properties

Afghanite

Pyrargyrite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.655.85

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

Perfect {10 1 0}

Distinct on {10 1 1}, imperfect on {01 1 2}

1.7 Mohs Hardness

5.5-62.5-3

2 10

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Afghanite and Pyrargyrite Chemical Formula

While comparing Afghanite and Pyrargyrite 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 Afghanite and Pyrargyrite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Afghanite Vs Kainite

Afghanite Vs Hauyne

Afghanite Vs Glaucophane

Afghanite and Pyrargyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Pyrargyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Pyrargyrite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 5.85 whereas that of Pyrargyrite is 5.85.