Sard and Lazulite Physical Properties

Sard

Lazulite

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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

2.58-2.633.04-3.17

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Lazulite Chemical Formula

While comparing Sard 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 Sard and Lazulite chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Compare Blue Gemstones

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Sard Vs Sillimanite

Sard and Lazulite Specific Gravity

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