Natrolite and Andradite Garnet Physical Properties

Natrolite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.263.8-3.9

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect on {110}

None

1.7 Mohs Hardness

5-5.56.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Natrolite and Andradite Garnet Chemical Formula

While comparing Natrolite and Andradite Garnet 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 Natrolite and Andradite Garnet chemical formula.

Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Natrolite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.