Periclase and Cavansite Physical Properties

Periclase

Cavansite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.92.25-2.33

1 7.18

1.5 Fracture

Conchoidal, Brittle

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

Good on {010}

1.7 Mohs Hardness

5.5-63-4

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Ca(VO)Si4O10•4(H2O)

Periclase and Cavansite Chemical Formula

While comparing Periclase and Cavansite 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 Cavansite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

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Periclase and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.