Carnelian and Natrolite Physical Properties

Carnelian

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

2.58-2.64

2.20-2.26

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

Absent

Perfect on {110}

1.7 Mohs Hardness

6.5-7

5-5.5

1.8 Chemical Composition

SiO₂

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

Carnelian and Natrolite Chemical Formula

While comparing Carnelian 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 Carnelian and Natrolite chemical formula.

Chemical formula of Carnelian- SiO₂
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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Carnelian Vs Kunzite

Carnelian Vs Prasiolite

Carnelian Vs Quartz

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Carnelian and Natrolite Specific Gravity

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