Tanzanite and Iddingsite Physical Properties

Tanzanite

Iddingsite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.352.5-2.8

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect {010}, imperfect {100}

{???} Perfect

1.7 Mohs Hardness

6.5-73

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

MgO.Fe2O3.3SiO2•4(H2O)

Tanzanite and Iddingsite Chemical Formula

While comparing Tanzanite and Iddingsite 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 Iddingsite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)

Compare Semi Precious Gemstones

Tanzanite Vs Beryl

Tanzanite Vs Amethyst

Tanzanite Vs Alexandrite

Tanzanite and Iddingsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Iddingsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Iddingsite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.5-2.8 whereas that of Iddingsite is 2.5-2.8.