Edenite and Sunstone Physical Properties

Edenite

Sunstone

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.372.62-2.65

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Gemstones of the world (2001)

1.6 Cleavage

Good on (110)

001

1.7 Mohs Hardness

5-66

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Sunstone Chemical Formula

While comparing Edenite and Sunstone 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 Edenite and Sunstone chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Edenite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.