Anthophyllite and Pleonaste Physical Properties

Anthophyllite

Pleonaste

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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

2.9-3.53.80

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-68

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Anthophyllite and Pleonaste Chemical Formula

While comparing Anthophyllite and Pleonaste 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 Pleonaste 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 Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Compare Brown Gemstones

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Anthophyllite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.80 whereas that of Pleonaste is 3.80.