Spinel and Rubellite Tourmaline Physical Properties

Spinel

Rubellite Tourmaline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.66Not Available

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

None

1.7 Mohs Hardness

82.5-3

2 10

1.8 Chemical Composition

MgAl₂O₄

Spinel and Rubellite Tourmaline Chemical Formula

While comparing Spinel and Rubellite Tourmaline 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 Spinel and Rubellite Tourmaline chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Rubellite Tourmaline- Ag

Compare Gems for Scorpio

Spinel Vs Charoite

Spinel Vs Ametrine

Spinel Vs Azurmalachite

Spinel and Rubellite Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Rubellite Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Rubellite Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Spinel is Not Available whereas that of Rubellite Tourmaline is Not Available.