Brazilianite and Hematite Physical Properties

Brazilianite

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-2.995.00-5.30

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

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

1.7 Mohs Hardness

5.56

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Brazilianite and Hematite Chemical Formula

While comparing Brazilianite and Hematite 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 Hematite 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 Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

Brazilianite Vs Chlorastrolite

Brazilianite Vs Chlorapatite

Brazilianite Vs Chalcopyrite

Brazilianite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brazilianite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.