Nepheline and Fluorite Physical Properties

Nepheline

Fluorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.55-2.65

Subconchoidal, Conchoidal

[1010] Poor

5-6

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

Brittle

slightly water soluble and in hot hydrochloric acid

3.00-3.25

Subconchoidal, Uneven, ConchoidalWalter Schumann

Octahedral, perfect on {111}, parting on {011}

CaF₂

Nepheline and Fluorite Chemical Formula

While comparing Nepheline and Fluorite 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 Nepheline and Fluorite chemical formula.

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Nepheline and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline Vs Fluorite during the identification of gemstone. Specific gravity of Nepheline is whereas that of Fluorite is .