Aragonite and Dioptase Physical Properties

Aragonite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Dilute acid

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.963.25-3.35

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct on {010}, imperfect {110} and {011}

Perfect in three directions

1.7 Mohs Hardness

3.5-45

2 10

1.8 Chemical Composition

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

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Aragonite and Dioptase Chemical Formula

While comparing Aragonite and Dioptase 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 Aragonite and Dioptase chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Virgo

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Aragonite Vs Variscite

Aragonite Vs Peridot

Aragonite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.