Sphalerite and Brucite Physical Properties

Sphalerite

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.102.39

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

Irregular

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

3.5-42.5

2 10

1.8 Chemical Composition

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

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Sphalerite and Brucite Chemical Formula

While comparing Sphalerite and Brucite 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 Brucite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sphalerite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.39 whereas that of Brucite is 2.39.