Chiastolite and Spinel Physical Properties

Chiastolite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.153.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

5-5.58

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

MgAl₂O₄

Chiastolite and Spinel Chemical Formula

While comparing Chiastolite and Spinel 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 Chiastolite and Spinel chemical formula.

Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Spinel- MgAl₂O₄

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Chiastolite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chiastolite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chiastolite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Chiastolite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.