Hematite and Pectolite Physical Properties

Hematite

Pectolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.302.74-2.90

1 7.18

1.5 Fracture

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

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

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

Perfect on {100} and {001}

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Hematite and Pectolite Chemical Formula

While comparing Hematite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Hematite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.