Purpurite and Grossular Garnet Physical Properties

Purpurite

Grossular Garnet

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.43.6

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

[100] [001] perfect

None

1.7 Mohs Hardness

4-4.56.5-7.5

2 10

1.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Ca₃Al₂Si₃O₁₂

Purpurite and Grossular Garnet Chemical Formula

While comparing Purpurite and Grossular Garnet 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 Purpurite and Grossular Garnet chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Purpurite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.6 whereas that of Grossular Garnet is 3.6.