Spinel and Simpsonite Physical Properties

Spinel

Simpsonite

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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)

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

None, but may exhibit slight parting

None

1.7 Mohs Hardness

87-7.5

2 10

1.8 Chemical Composition

MgAl₂O₄

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Spinel and Simpsonite Chemical Formula

While comparing Spinel and Simpsonite 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 Simpsonite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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Spinel and Simpsonite Specific Gravity

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