Lazulite and Scolecite Physical Properties

Lazulite

Scolecite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.172.20-2.23

1 7.18

1.5 Fracture

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

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

5.55-5.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Lazulite and Scolecite Chemical Formula

While comparing Lazulite and Scolecite 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 Scolecite 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 Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Lazulite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.