Sunstone and Legrandite Physical Properties

Sunstone

Legrandite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.653.98-4.04

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

001

Imperfect, poor one {100}

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

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

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sunstone and Legrandite Chemical Formula

While comparing Sunstone and Legrandite 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 Legrandite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sunstone and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.