Hematite and Witherite Physical Properties

Hematite

Witherite

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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

5.00-5.304.27-4.35

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), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

{010} Distinct

1.7 Mohs Hardness

63-3.5

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hematite and Witherite Chemical Formula

While comparing Hematite and Witherite 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 Witherite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hematite and Witherite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Witherite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Witherite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 4.27-4.35 whereas that of Witherite is 4.27-4.35.