Precious Opal and Liddicoatite Physical Properties

Precious Opal

Liddicoatite

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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

1.98-2.253.02

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

1.6 Cleavage

Not Available

{0001} Poor

1.7 Mohs Hardness

5-6.5Not Available

2 10

1.8 Chemical Composition

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Precious Opal and Liddicoatite Chemical Formula

While comparing Precious Opal and Liddicoatite 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 Precious Opal and Liddicoatite chemical formula.

Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Blue Gemstones

Precious Opal Vs Sard

Precious Opal Vs Sardonyx

Precious Opal Vs Sapphire

Precious Opal and Liddicoatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Liddicoatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Liddicoatite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 3.02 whereas that of Liddicoatite is 3.02.