Brazilianite and Hemimorphite Physical Properties

Brazilianite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-2.993.30-3.50

1 7.18

1.5 Fracture

Conchoidal, Gems

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

1.6 Cleavage

(010) Distinct to good

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

5.55

2 10

1.8 Chemical Composition

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

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Brazilianite and Hemimorphite Chemical Formula

While comparing Brazilianite and Hemimorphite 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 Brazilianite and Hemimorphite chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Brazilianite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brazilianite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.