Sussexite and Spinel Physical Properties

Sussexite

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

3.303.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

3-3.58

2 10

1.8 Chemical Composition

Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

MgAl₂O₄

Sussexite and Spinel Chemical Formula

While comparing Sussexite 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 Sussexite and Spinel chemical formula.

Chemical formula of Sussexite- Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Spinel- MgAl₂O₄

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Sussexite and Spinel Specific Gravity

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