Adamite and Sphalerite Physical Properties

Adamite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.483.95-4.10

1 7.18

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

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

{101}, good; {010}, poor

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

1.7 Mohs Hardness

3.53.5-4

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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

Adamite and Sphalerite Chemical Formula

While comparing Adamite 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 Adamite and Sphalerite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Adamite and Sphalerite Specific Gravity

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