Villiaumite and Lazulite Physical Properties

Villiaumite

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

2.793.04-3.17

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

{100} Perfect, {010} Perfect, {001} Perfect

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

25.5

2 10

1.8 Chemical Composition

NaFUlrich Henn and Claudio C.

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

Villiaumite and Lazulite Chemical Formula

While comparing Villiaumite 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 Villiaumite and Lazulite chemical formula.

Chemical formula of Villiaumite- NaFUlrich 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 Gems Found in America

Villiaumite Vs Witherite

Villiaumite Vs Xonotlite

Villiaumite Vs Zincite

Villiaumite and Lazulite Specific Gravity

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