Agate and Kyanite Physical Properties

Agate

Kyanite

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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

2.60-2.643.53-3.65

1 7.18

1.5 Fracture

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

Splintery, Brittle, Metallic

1.6 Cleavage

Indiscernible

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

6.5-74-7

2 10

1.8 Chemical Composition

SiO₂

Not Available

Agate and Kyanite Chemical Formula

While comparing Agate and Kyanite 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 Kyanite chemical formula.

Chemical formula of Agate- SiO₂

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Agate and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Agate is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.