Aragonite and Brazilianite Physical Properties

Aragonite

Brazilianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.962.98-2.99

1 7.18

1.5 Fracture

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

Conchoidal, Gems

1.6 Cleavage

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

(010) Distinct to good

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

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

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Aragonite and Brazilianite Chemical Formula

While comparing Aragonite and Brazilianite 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 Brazilianite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Virgo

Aragonite Vs Variscite

Aragonite Vs Peridot

Aragonite Vs Zircon

Aragonite and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.