Natrolite and Cuprite Physical Properties

Natrolite

Cuprite

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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

2.20-2.265.85-6.15

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Gemstones (2009)

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Perfect on {110}

Fair in four directions forming octahedrons

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

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

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Natrolite and Cuprite Chemical Formula

While comparing Natrolite and Cuprite 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 Cuprite 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 Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Natrolite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.