Rosasite and Tanzanite Physical Properties

Rosasite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

4-4.23.35

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

46.5-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Rosasite and Tanzanite Chemical Formula

While comparing Rosasite 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 Rosasite and Tanzanite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Rosasite and Tanzanite Specific Gravity

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