Piemontite and Antigorite Physical Properties

Piemontite

Antigorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.58-2.80

1 7.18

1.5 Fracture

Uneven, Splintery

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

[001] good, [100] distinct

{001} Good

1.7 Mohs Hardness

6-6.55-5.5

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Piemontite and Antigorite Chemical Formula

While comparing Piemontite and Antigorite 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 Piemontite and Antigorite chemical formula.

Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Piemontite and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.