Lazulite and Eosphorite Physical Properties

Lazulite

Eosphorite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.173.05-3.08

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Poor on {100}

1.7 Mohs Hardness

5.55

2 10

1.8 Chemical Composition

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

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Lazulite and Eosphorite Chemical Formula

While comparing Lazulite and Eosphorite 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 Eosphorite 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 Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Lazulite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.