Anthophyllite and Chrysoprase Physical Properties

Anthophyllite

Chrysoprase

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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

2.9-3.5

2.58-2.64

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Gems, Sixth Edition (2006)

1.6 Cleavage

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

None

1.7 Mohs Hardness

5.5-6

6.5-7

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Anthophyllite and Chrysoprase Chemical Formula

While comparing Anthophyllite and Chrysoprase 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 Chrysoprase 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 Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Anthophyllite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.