Lazulite and Strontianite Physical Properties

Lazulite

Strontianite

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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

3.04-3.173.63-3.79

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

{001} Indistinct, {???} Indistinct

{110} Good

1.7 Mohs Hardness

5.53.5

2 10

1.8 Chemical Composition

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

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Lazulite and Strontianite Chemical Formula

While comparing Lazulite and Strontianite 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 Strontianite 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 Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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Lazulite and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.