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Obsidian
Obsidian

Wavellite
Wavellite



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Obsidian
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Wavellite

Obsidian and Wavellite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
insoluble

Durability

-
-

Specific Gravity

2.35-2.602.36
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
Uneven, Subconchoidal, Fibrous

Cleavage

None
[110] perfect, [101] good, [010] distinct

Mohs Hardness

5-5.53.5-4
2 10
👆🏻

Chemical Composition

SiO2
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Obsidian and Wavellite Chemical Formula

While comparing Obsidian and Wavellite 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 Obsidian and Wavellite chemical formula.

  • Chemical formula of Obsidian- SiO2
  • Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Obsidian and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 2.36 whereas that of Wavellite is 2.36.