Antigorite and Crystal Opal Physical Properties

Antigorite

Crystal Opal

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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

2.58-2.801.97-2.22

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} Good

Not Available

1.7 Mohs Hardness

5-5.55.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Antigorite and Crystal Opal Chemical Formula

While comparing Antigorite and Crystal Opal 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 Antigorite and Crystal Opal chemical formula.

Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Antigorite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Antigorite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Antigorite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Antigorite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.