Vesuvianite and Rock Crystal Physical Properties

Vesuvianite

Rock Crystal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Vesuvianite is virtually insolouble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.65

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

Poor on {110} and {100} very poor on {001}

Not Available

1.7 Mohs Hardness

6-77

2 10

1.8 Chemical Composition

Not Available

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

Vesuvianite and Rock Crystal Chemical Formula

While comparing Vesuvianite 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 Vesuvianite and Rock Crystal chemical formula.

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

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Vesuvianite and Rock Crystal Specific Gravity

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