Hematite and Friedelite Physical Properties

Hematite

Friedelite

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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

5.00-5.303.06-3.19

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

64-5

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Hematite and Friedelite Chemical Formula

While comparing Hematite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Hematite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.