Anthophyllite and Esperite Physical Properties

Anthophyllite

Esperite

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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

4.28-4.42

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

1.6 Cleavage

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

Distinct on [010] and [100] poor on [101]

1.7 Mohs Hardness

5.5-6

5-5.5

1.8 Chemical Composition

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

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Anthophyllite and Esperite Chemical Formula

While comparing Anthophyllite and Esperite 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 Esperite 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 Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

Anthophyllite Vs Brookite

Anthophyllite Vs Bronzite

Anthophyllite Vs Brucite

Anthophyllite and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Esperite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 4.28-4.42 whereas that of Esperite is 4.28-4.42.