Carnelian and Elbaite Physical Properties

Carnelian

Elbaite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

2.90-3.10

1.5 Fracture

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

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Absent

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

SiO₂

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Carnelian and Elbaite Chemical Formula

While comparing Carnelian and Elbaite 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 Elbaite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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Carnelian and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.