Spinel and Xonotlite Physical Properties

Spinel

Xonotlite

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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

3.64-3.662.71-2.72

1 7.18

2.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Handbook of mineralogy (2001), Difficult, Fibrous

2.6 Cleavage

None, but may exhibit slight parting

{???} Good

2.7 Mohs Hardness

86-6.5

2 10

2.11 Chemical Composition

MgAl₂O₄

Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Spinel and Xonotlite Chemical Formula

While comparing Spinel and Xonotlite 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 Xonotlite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Xonotlite- Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Spinel and Xonotlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Xonotlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Xonotlite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.71-2.72 whereas that of Xonotlite is 2.71-2.72.