Antigorite and Nepheline Physical Properties

Antigorite

Nepheline

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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

2.58-2.802.55-2.65

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{001} Good

[1010] Poor

1.7 Mohs Hardness

5-5.55-6

2 10

1.8 Chemical Composition

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

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Antigorite and Nepheline Chemical Formula

While comparing Antigorite and Nepheline 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 Nepheline chemical formula.

Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Compare Green Gemstones

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Antigorite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Antigorite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Antigorite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Antigorite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.