Tanzanite and Zincite Physical Properties

Tanzanite

Zincite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.355.50-5.90

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

6.5-74

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Tanzanite and Zincite Chemical Formula

While comparing Tanzanite and Zincite 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 Zincite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Semi Precious Gemstones

Tanzanite Vs Beryl

Tanzanite Vs Alexandrite

Tanzanite Vs Amethyst

Tanzanite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.