Datolite and Aragonite Physical Properties

Datolite

Aragonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.002.93-2.96

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Datolite and Aragonite Chemical Formula

While comparing Datolite and Aragonite 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 Datolite and Aragonite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Datolite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.