Periclase and Uvarovite Physical Properties

Periclase

Uvarovite

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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

3.7-3.93.77

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None

1.7 Mohs Hardness

5.5-66.5-7.5

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Periclase and Uvarovite Chemical Formula

While comparing Periclase and Uvarovite 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 Uvarovite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

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Periclase and Uvarovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Uvarovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Uvarovite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.77 whereas that of Uvarovite is 3.77.