Spinel and Nifontovite Physical Properties

Spinel

Nifontovite

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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

3.64-3.662.35-2.36

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

{???} Indistinct

1.7 Mohs Hardness

83.5-5

2 10

1.8 Chemical Composition

MgAl₂O₄

Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Spinel and Nifontovite Chemical Formula

While comparing Spinel and Nifontovite 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 Nifontovite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Nifontovite- Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Gems for Scorpio

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Spinel and Nifontovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Nifontovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Nifontovite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.35-2.36 whereas that of Nifontovite is 2.35-2.36.