Sphalerite and Carnelian Physical Properties

Sphalerite

Carnelian

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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

3.95-4.102.58-2.64

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, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Absent

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Sphalerite and Carnelian Chemical Formula

While comparing Sphalerite and Carnelian 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 Carnelian chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Carnelian- SiO₂

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Sphalerite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.