Quartz and Tanzanite Physical Properties

Quartz

Tanzanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.65

3.35

1.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{0110} Indistinct

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

SiO₂

Ca₂Al₃(SiO₄)₃(OH)

Quartz and Tanzanite Chemical Formula

While comparing Quartz and Tanzanite 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 Quartz and Tanzanite chemical formula.

Chemical formula of Quartz- SiO₂
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Quartz and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Quartz and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Quartz and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Quartz is 3.35 whereas that of Tanzanite is 3.35.