Anthophyllite and Emerald Physical Properties

Anthophyllite

Emerald

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.9-3.5

2.67-2.78

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Imperfect on the [0001]

1.7 Mohs Hardness

5.5-6

7.5-8

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Anthophyllite and Emerald Chemical Formula

While comparing Anthophyllite and Emerald 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 Emerald 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 Emerald- Be₃Al₂SiO₆

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Anthophyllite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.