Proustite and Danburite Physical Properties

Proustite

Danburite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.51-5.642.97-3.03

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Distinct on {10 1 1}

{001} Poor

1.7 Mohs Hardness

2.57

2 10

1.8 Chemical Composition

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

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Proustite and Danburite Chemical Formula

While comparing Proustite and Danburite 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 Danburite chemical formula.

Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Black Gemstones

Proustite Vs Serendibite

Proustite Vs Sheen Obsidian

Proustite Vs Schorlomite

Proustite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.