Chalcedony and Charoite Physical Properties

Chalcedony

Charoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.54-2.78

1 7.18

1.5 Fracture

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Absent

Good in three directions

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO₂

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chalcedony and Charoite Chemical Formula

While comparing Chalcedony and Charoite 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 Chalcedony and Charoite chemical formula.

Chemical formula of Chalcedony- SiO₂
Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chalcedony and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Charoite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 2.54-2.78 whereas that of Charoite is 2.54-2.78.