Anthophyllite and Purpurite Physical Properties

Anthophyllite

Purpurite

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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

2.9-3.53.2-3.4

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

[100] [001] perfect

1.7 Mohs Hardness

5.5-64-4.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Anthophyllite and Purpurite Chemical Formula

While comparing Anthophyllite and Purpurite 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 Anthophyllite and Purpurite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Anthophyllite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.