Cat s Eye and Periclase Physical Properties

Cat s Eye

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.5-3.83.7-3.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2

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

1.7 Mohs Hardness

8.55.5-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Cat s Eye and Periclase Chemical Formula

While comparing Cat s Eye and Periclase 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 Cat s Eye and Periclase chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Cat s Eye and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Periclase Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 3.7-3.9 whereas that of Periclase is 3.7-3.9.