Sphalerite and Poldervaartite Physical Properties

Sphalerite

Poldervaartite

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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

3.95-4.102.91

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

Handbook of mineralogy (2001)

1.6 Cleavage

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

None

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Sphalerite and Poldervaartite Chemical Formula

While comparing Sphalerite and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Sphalerite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.91 whereas that of Poldervaartite is 2.91.