Ammolite and Verdelite Physical Properties

Ammolite

Verdelite

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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

2.75-2.802.90-3.40

1 7.18

1.5 Fracture

Uneven, Granular

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

1.6 Cleavage

no true cleavage

Not Available

1.7 Mohs Hardness

47-7.5

2 10

1.8 Chemical Composition

Not Available

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Ammolite and Verdelite Chemical Formula

While comparing Ammolite and Verdelite 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 Ammolite and Verdelite chemical formula.

Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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Ammolite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ammolite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ammolite and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Ammolite is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.