Anthophyllite and Benitoite Physical Properties

Anthophyllite

Benitoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble: HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.53.61-3.68

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

[10 1 1] poor

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

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

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Anthophyllite and Benitoite Chemical Formula

While comparing Anthophyllite and Benitoite 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 Benitoite 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 Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

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Anthophyllite and Benitoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.