Chrysoprase and Anthophyllite Physical Properties

Chrysoprase

Anthophyllite

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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

2.58-2.642.9-3.5

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006)

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

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

Chrysoprase and Anthophyllite Chemical Formula

While comparing Chrysoprase and Anthophyllite 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 Chrysoprase and Anthophyllite chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Chrysoprase and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoprase and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoprase and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Chrysoprase is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.