Hexagonite and Spinel Physical Properties

Hexagonite

Spinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-3.033.64-3.66

1 7.18

1.5 Fracture

Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[110] perfect; [010] distinct

None, but may exhibit slight parting

1.7 Mohs Hardness

5-68

2 10

1.8 Chemical Composition

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

MgAl₂O₄

Hexagonite and Spinel Chemical Formula

While comparing Hexagonite 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 Hexagonite and Spinel chemical formula.

Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Spinel- MgAl₂O₄

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Hexagonite and Spinel Specific Gravity

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