Spinel and Helenite Physical Properties

Spinel

Helenite

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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

Not Available

1.7 Mohs Hardness

8Not Available

2 10

1.8 Chemical Composition

MgAl₂O₄

Not Available

Spinel and Helenite Chemical Formula

While comparing Spinel and Helenite 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 Helenite chemical formula.

Chemical formula of Spinel- MgAl₂O₄

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Spinel and Helenite Specific Gravity

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