Liddicoatite and Peridot Physical Properties

Liddicoatite

Peridot

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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

3.021.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

{0001} Poor

Poor

1.7 Mohs Hardness

Not Available6.5-7

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)

(Mg,Fe)₂SiO₄

Liddicoatite and Peridot Chemical Formula

While comparing Liddicoatite and Peridot 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 Peridot 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 Peridot- (Mg,Fe)₂SiO₄

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Liddicoatite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.