Simpsonite and Hematite Physical Properties

Simpsonite

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

Not Available5.00-5.30

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

7-7.56

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Fe 2O 3Arthur Thomas , Gemstones (2009)

Simpsonite and Hematite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Hematite chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Simpsonite and Hematite Specific Gravity

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