Hematite and Elbaite Physical Properties

Hematite

Elbaite

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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

5.00-5.302.90-3.10

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

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

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Hematite and Elbaite Chemical Formula

While comparing Hematite and Elbaite 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 Elbaite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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Hematite and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.