Poldervaartite and Antigorite Physical Properties

Poldervaartite

Antigorite

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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

2.912.58-2.80

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

{001} Good

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Antigorite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Antigorite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Poldervaartite and Antigorite Specific Gravity

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