Spinel and Sogdianite Physical Properties

Spinel

Sogdianite

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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

3.64-3.662.77-2.90

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

{0001} Perfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

MgAl₂O₄

(K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

Spinel and Sogdianite Chemical Formula

While comparing Spinel and Sogdianite 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 Sogdianite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Sogdianite- (K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

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Spinel and Sogdianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Sogdianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Sogdianite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.77-2.90 whereas that of Sogdianite is 2.77-2.90.