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Chalcedony
Chalcedony

Datolite
Datolite



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Chalcedony
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Datolite

Chalcedony and Datolite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.55-2.702.90-3.00
1 7.18
👆🏻

Fracture

Uneven, Splintery, Conchoidal
Conchoidal, Uneven

Cleavage

Absent
None

Mohs Hardness

6.5-75-5.5
2 10
👆🏻

Chemical Composition

SiO2
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chalcedony and Datolite Chemical Formula

While comparing Chalcedony and Datolite 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 Datolite chemical formula.

  • Chemical formula of Chalcedony- SiO2
  • Chemical formula of Datolite- CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chalcedony and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Datolite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 2.90-3.00 whereas that of Datolite is 2.90-3.00.