Periclase and Sphalerite Physical Properties

Periclase

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.93.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

{001} perfect; {111} imperfect, may exhibit parting on , {011}

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

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Periclase and Sphalerite Chemical Formula

While comparing Periclase 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 Periclase and Sphalerite chemical formula.

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

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Periclase and Sphalerite Specific Gravity

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