Adamite and Natrolite Physical Properties

Adamite

Natrolite

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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

4.32-4.48

2.20-2.26

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

{101}, good; {010}, poor

Perfect on {110}

1.7 Mohs Hardness

3.5

5-5.5

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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

Adamite and Natrolite Chemical Formula

While comparing Adamite 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 Adamite and Natrolite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael 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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Adamite and Natrolite Specific Gravity

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