Poldervaartite and Sphalerite Physical Properties

Poldervaartite

Sphalerite

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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

2.913.95-4.10

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

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

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

Poldervaartite and Sphalerite Chemical Formula

While comparing Poldervaartite and Sphalerite 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 Poldervaartite and Sphalerite chemical formula.

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

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Poldervaartite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.