Inderite and Spinel Physical Properties

Inderite

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

1.793.64-3.66

1 7.18

1.5 Fracture

Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Good

None, but may exhibit slight parting

1.7 Mohs Hardness

2.58

2 10

1.8 Chemical Composition

MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

MgAl₂O₄

Inderite and Spinel Chemical Formula

While comparing Inderite 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 Inderite and Spinel chemical formula.

Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Spinel- MgAl₂O₄

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Inderite and Spinel Specific Gravity

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