Emerald and Brazilianite Physical Properties

Emerald

Brazilianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.782.98-2.99

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Conchoidal, Gems

1.6 Cleavage

Imperfect on the [0001]

(010) Distinct to good

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Emerald and Brazilianite Chemical Formula

While comparing Emerald 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 Emerald and Brazilianite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Emerald and Brazilianite Specific Gravity

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