Allanite and Antigorite Physical Properties

Allanite

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

3.40-4.20

2.58-2.80

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{001} Good

1.7 Mohs Hardness

Not Available

5-5.5

1.8 Chemical Composition

Not Available

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

Allanite and Antigorite Chemical Formula

While comparing Allanite 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 Allanite 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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Allanite and Antigorite Specific Gravity

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