Periclase and Cymophane Physical Properties

Periclase

Cymophane

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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

3.7-3.93.69-3.81

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-68.5

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

BeAl 2O 4Arthur Thomas , Gemstones (2009)

Periclase and Cymophane Chemical Formula

While comparing Periclase and Cymophane 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 Cymophane chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)

Compare Gems Found In Australia

Periclase Vs Scheelite

Periclase Vs Rinkite Ce

Periclase Vs Sapphire

Periclase and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.