Sphalerite and Elbaite Physical Properties

Sphalerite

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

3.95-4.102.90-3.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

3.5-47

2 10

1.8 Chemical Composition

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

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

Sphalerite and Elbaite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Elbaite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Sphalerite and Elbaite Specific Gravity

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