Rossmanite and Amazonite Physical Properties

Rossmanite

Amazonite

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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

32.55-2.57

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

None

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

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

KAlSi₃O₈

Rossmanite and Amazonite Chemical Formula

While comparing Rossmanite and Amazonite 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 Rossmanite and Amazonite chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Amazonite- KAlSi₃O₈

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Rossmanite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.