Periclase and Lazulite Physical Properties

Periclase

Lazulite

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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

3.7-3.93.04-3.17

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

5.5-65.5

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Periclase and Lazulite Chemical Formula

While comparing Periclase and Lazulite 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 Lazulite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Compare Gems Found In Australia

Periclase Vs Sapphire

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Periclase and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.