Sphalerite and Prehnite Physical Properties

Sphalerite

Prehnite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.102.80-2.95

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, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

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

Distinct on [001]

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

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

Ca₂Al₂Si₃O₁₂(OH)

Sphalerite and Prehnite Chemical Formula

While comparing Sphalerite and Prehnite 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 Prehnite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Prehnite- Ca₂Al₂Si₃O₁₂(OH)

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Sphalerite and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.