Tanzanite and Thomsonite Physical Properties

Tanzanite

Thomsonite

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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

3.352.25-2.40

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010}, imperfect {100}

perfect on {010}; good on {100}

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tanzanite and Thomsonite Chemical Formula

While comparing Tanzanite and Thomsonite 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 Thomsonite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Semi Precious Gemstones

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Tanzanite and Thomsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Thomsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Thomsonite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.25-2.40 whereas that of Thomsonite is 2.25-2.40.