Cinnabar and Howlite Physical Properties

Cinnabar

Howlite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Not Available

1.2 Solubility

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

22.45-2.58

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

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

1.6 Cleavage

Prismatic {10 1 0}, perfect

None

1.7 Mohs Hardness

2-2.53-3.5

2 10

1.8 Chemical Composition

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cinnabar and Howlite Chemical Formula

While comparing Cinnabar 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 Cinnabar and Howlite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cinnabar and Howlite Specific Gravity

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