Liddicoatite and Prase Opal Physical Properties

Liddicoatite

Prase Opal

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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

3.021.98-2.25

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0001} Poor

Not Available

1.7 Mohs Hardness

Not Available5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Liddicoatite and Prase Opal Chemical Formula

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

Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Liddicoatite and Prase Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Prase Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Prase Opal Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 1.98-2.25 whereas that of Prase Opal is 1.98-2.25.