Pyrope Garnet and Spinel Physical Properties

Pyrope Garnet

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

3.5-3.63.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

None, but may exhibit slight parting

1.7 Mohs Hardness

7-7.58

2 10

1.8 Chemical Composition

Mg₃Al₂Si₃O₁₂

MgAl₂O₄

Pyrope Garnet and Spinel Chemical Formula

While comparing Pyrope Garnet 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 Pyrope Garnet and Spinel chemical formula.

Chemical formula of Pyrope Garnet- Mg₃Al₂Si₃O₁₂
Chemical formula of Spinel- MgAl₂O₄

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Pyrope Garnet and Spinel Specific Gravity

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