Falcons Eye and Howlite Physical Properties

Falcons Eye

Howlite

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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

2.58-2.642.45-2.58

1 7.18

1.5 Fracture

Gemstones of the world (2001)

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

73-3.5

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Falcons Eye and Howlite Chemical Formula

While comparing Falcons Eye and Howlite 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 Falcons Eye and Howlite chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Falcons Eye Vs Heliodor Golden Beryl

Falcons Eye Vs Hackmanite

Falcons Eye and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Falcons Eye and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Falcons Eye and Howlite Optical Properties during the identification of gemstone. Specific gravity of Falcons Eye is 2.45-2.58 whereas that of Howlite is 2.45-2.58.