Purpurite and Fluorapatite Physical Properties

Purpurite

Fluorapatite

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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

3.2-3.43.1-3.25

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

[100] [001] perfect

Indistinct

1.7 Mohs Hardness

4-4.55

2 10

1.8 Chemical Composition

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

Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Purpurite and Fluorapatite Chemical Formula

While comparing Purpurite and Fluorapatite 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 Fluorapatite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Compare Violet Gemstones

Purpurite Vs Sard

Purpurite Vs Sapphire

Purpurite Vs Sardonyx

Purpurite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.