Spinel and Kmmererite Physical Properties

Spinel

Kmmererite

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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

3.64-3.662.60-2.64

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

82-2.5

2 10

1.8 Chemical Composition

MgAl₂O₄

Not Available

Spinel and Kmmererite Chemical Formula

While comparing Spinel and Kmmererite 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 Kmmererite chemical formula.

Chemical formula of Spinel- MgAl₂O₄

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Spinel and Kmmererite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Kmmererite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Kmmererite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.60-2.64 whereas that of Kmmererite is 2.60-2.64.