Anthophyllite and Chalcedony Physical Properties

Anthophyllite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.52.55-2.70

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

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

Absent

1.7 Mohs Hardness

5.5-66.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Anthophyllite and Chalcedony Chemical Formula

While comparing Anthophyllite and Chalcedony 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 Chalcedony 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 Chalcedony- SiO₂

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Anthophyllite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.