Ametrine and Spinel Physical Properties

Ametrine

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

None, but may exhibit slight parting

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

SiO₂

MgAl₂O₄

Ametrine and Spinel Chemical Formula

While comparing Ametrine and Spinel 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 Ametrine and Spinel chemical formula.

Chemical formula of Ametrine- SiO₂
Chemical formula of Spinel- MgAl₂O₄

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Ametrine and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ametrine and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ametrine and Spinel Optical Properties during the identification of gemstone. Specific gravity of Ametrine is 3.64-3.66 whereas that of Spinel is 3.64-3.66.