Nickeline and Rock Crystal Physical Properties

Nickeline

Rock Crystal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.65

1 7.18

1.5 Fracture

Conchoidal, Uneven

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Not Available

1.7 Mohs Hardness

5-5.57

2 10

1.8 Chemical Composition

Not Available

SiO 2Walter Schumann , Gemstones of the world (2001)

Nickeline and Rock Crystal Chemical Formula

While comparing Nickeline and Rock Crystal 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 Nickeline and Rock Crystal chemical formula.

Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

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Nickeline and Rock Crystal Specific Gravity

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