Sphalerite and Fluorite Physical Properties

Sphalerite

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.103.00-3.25

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

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

1.6 Cleavage

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

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

3.5-44

2 10

1.8 Chemical Composition

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

CaF₂

Sphalerite and Fluorite Chemical Formula

While comparing Sphalerite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorite- CaF₂

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Sphalerite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.