Tanzanite and Strontianite Physical Properties

Tanzanite

Strontianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.35

3.63-3.79

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect {010}, imperfect {100}

{110} Good

1.7 Mohs Hardness

6.5-7

3.5

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Tanzanite and Strontianite Chemical Formula

While comparing Tanzanite and Strontianite 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 Tanzanite and Strontianite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Compare Semi Precious Gemstones

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Tanzanite Vs Beryl

Tanzanite Vs Alexandrite

Tanzanite and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.