Natrolite and Antigorite Physical Properties

Natrolite

Antigorite

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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

2.20-2.262.58-2.80

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Gemstones (2009)

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on {110}

{001} Good

1.7 Mohs Hardness

5-5.55-5.5

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Natrolite and Antigorite Chemical Formula

While comparing Natrolite and Antigorite 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 Antigorite 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 Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Natrolite and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.