Proustite and Sphalerite Physical Properties

Proustite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.51-5.643.95-4.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct on {10 1 1}

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

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

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Proustite and Sphalerite Chemical Formula

While comparing Proustite and Sphalerite 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 Proustite and Sphalerite chemical formula.

Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Black Gemstones

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Proustite Vs Schorlomite

Proustite Vs Serendibite

Proustite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.