Lazulite and Sunstone Physical Properties

Lazulite

Sunstone

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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

3.04-3.172.62-2.65

1 7.18

1.5 Fracture

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

Gemstones of the world (2001)

1.6 Cleavage

{001} Indistinct, {???} Indistinct

001

1.7 Mohs Hardness

5.56

2 10

1.8 Chemical Composition

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

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Lazulite and Sunstone Chemical Formula

While comparing Lazulite and Sunstone 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 Sunstone 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 Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Lazulite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.