Dallasite and Natrolite Physical Properties

Dallasite

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

2.58-2.912.20-2.26

1 7.18

1.5 Fracture

Not Available

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

Not Available

Perfect on {110}

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

Not Available

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

Dallasite and Natrolite Chemical Formula

While comparing Dallasite 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 Dallasite and Natrolite chemical formula.

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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Dallasite and Natrolite Specific Gravity

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