Grossular and Natrolite Physical Properties

Grossular

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

3.55-3.732.20-2.26

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

none

Perfect on {110}

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Grossular and Natrolite Chemical Formula

While comparing Grossular 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 Grossular and Natrolite chemical formula.

Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
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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Grossular and Natrolite Specific Gravity

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