Iddingsite and Tanzanite Physical Properties

Iddingsite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.5-2.83.35

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Perfect

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

Ca₂Al₃(SiO₄)₃(OH)

Iddingsite and Tanzanite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Tanzanite chemical formula.

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

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Iddingsite and Tanzanite Specific Gravity

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