Matrix Opal and Spinel Physical Properties

Matrix Opal

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

1.98-2.50

3.64-3.66

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

5.5-6.5

1.8 Chemical Composition

Not Available

MgAl₂O₄

Matrix Opal and Spinel Chemical Formula

While comparing Matrix Opal 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 Matrix Opal and Spinel chemical formula.

Chemical formula of Spinel- MgAl₂O₄

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Matrix Opal and Spinel Specific Gravity

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