Stolzite and Lazulite Physical Properties

Stolzite

Lazulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

23.04-3.17

1 7.18

1.5 Fracture

Conchoidal, Uneven, Brittle

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

1.6 Cleavage

Imperfect on {001}, indistinct on {011}

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

2.5-35.5

2 10

1.8 Chemical Composition

Not Available

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

Stolzite and Lazulite Chemical Formula

While comparing Stolzite 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 Stolzite and Lazulite chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Stolzite and Lazulite Specific Gravity

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