Rossmanite and Ametrine Physical Properties

Rossmanite

Ametrine

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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

32.65

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

None

Indiscernible

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

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

SiO₂

Rossmanite and Ametrine Chemical Formula

While comparing Rossmanite and Ametrine 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 Ametrine 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 Ametrine- SiO₂

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Rossmanite and Ametrine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Ametrine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Ametrine Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.65 whereas that of Ametrine is 2.65.