Sphalerite and Sillimanite Physical Properties

Sphalerite

Sillimanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.10

3.20-3.26

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

Splintery

1.6 Cleavage

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

{010} perfect

1.7 Mohs Hardness

3.5-4

6-7.5

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Sphalerite and Sillimanite Chemical Formula

While comparing Sphalerite and Sillimanite 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 Sillimanite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Sphalerite Vs Tavorite

Sphalerite Vs Tektite

Sphalerite Vs Strontianite

Sphalerite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.