Hackmanite and Natrolite Physical Properties

Hackmanite

Natrolite

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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

2.27-2.332.20-2.26

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

Not Available

Perfect on {110}

1.7 Mohs Hardness

5.5-65-5.5

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hackmanite and Natrolite Chemical Formula

While comparing Hackmanite and Natrolite 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 Hackmanite and Natrolite chemical formula.

Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hackmanite and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hackmanite and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.