Emerald and Anthophyllite Physical Properties

Emerald

Anthophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.78

2.9-3.5

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Imperfect on the [0001]

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

1.7 Mohs Hardness

7.5-8

5.5-6

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Emerald and Anthophyllite Chemical Formula

While comparing Emerald 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 Emerald and Anthophyllite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Emerald and Anthophyllite Specific Gravity

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