Aragonite and Smithsonite Physical Properties

Aragonite

Smithsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.964.00-4.65

1 7.18

1.5 Fracture

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

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

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

Perfect on [1011]

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

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

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

Aragonite and Smithsonite Chemical Formula

While comparing Aragonite and Smithsonite 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 Smithsonite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Virgo

Aragonite Vs Variscite

Aragonite Vs Peridot

Aragonite Vs Zircon

Aragonite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.