Anthophyllite and Lepidolite Physical Properties

Anthophyllite

Lepidolite

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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

2.9-3.52.80-2.90

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

{001} perfect

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

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

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Anthophyllite and Lepidolite Chemical Formula

While comparing Anthophyllite and Lepidolite 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 Lepidolite 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 Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

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Anthophyllite and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.