Sodalite and Sphalerite Physical Properties

Sodalite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.403.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

Poor on {110}

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sodalite and Sphalerite Chemical Formula

While comparing Sodalite and Sphalerite 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 Sodalite and Sphalerite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sodalite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.