Hematite and Brazilianite Physical Properties

Hematite

Brazilianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.302.98-2.99

1 7.18

1.5 Fracture

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

Conchoidal, Gems

1.6 Cleavage

None, may show partings on {0001} and {10 1 1}

(010) Distinct to good

1.7 Mohs Hardness

65.5

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Brazilianite Chemical Formula

While comparing Hematite 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 Hematite and Brazilianite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hematite and Brazilianite Specific Gravity

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