Lazulite and Periclase Physical Properties

Lazulite

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

3.04-3.173.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

{001} Indistinct, {???} Indistinct

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

1.7 Mohs Hardness

5.55.5-6

2 10

1.8 Chemical Composition

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

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Lazulite and Periclase Chemical Formula

While comparing Lazulite 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 Lazulite and Periclase chemical formula.

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

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Lazulite and Periclase Specific Gravity

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