Agate and Variscite Physical Properties

Agate

Variscite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.64

2.42-2.58

1.5 Fracture

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

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

Indiscernible

[010] perfect

1.7 Mohs Hardness

6.5-7

4-5

1.8 Chemical Composition

SiO₂

AlPO₄ · 2(H₂O)

Agate and Variscite Chemical Formula

While comparing Agate and Variscite 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 Agate and Variscite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Agate and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate and Variscite Optical Properties during the identification of gemstone. Specific gravity of Agate is 2.42-2.58 whereas that of Variscite is 2.42-2.58.