Sunstone and Tanzanite Physical Properties

Sunstone

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

2.62-2.653.35

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

001

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

66.5-7

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Ca₂Al₃(SiO₄)₃(OH)

Sunstone and Tanzanite Chemical Formula

While comparing Sunstone 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 Sunstone and Tanzanite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Sunstone and Tanzanite Specific Gravity

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