Spinel and Rossmanite Physical Properties

Spinel

Rossmanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.663

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Brittle, Metallic

1.6 Cleavage

None, but may exhibit slight parting

None

1.7 Mohs Hardness

8Not Available

2 10

1.8 Chemical Composition

MgAl₂O₄

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

Spinel and Rossmanite Chemical Formula

While comparing Spinel and Rossmanite 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 Rossmanite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Gems for Scorpio

Spinel Vs Charoite

Spinel Vs Azurmalachite

Spinel Vs Ametrine

Spinel and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 3 whereas that of Rossmanite is 3.