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Hurlbutite
Hurlbutite

Obsidian
Obsidian



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Hurlbutite
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Obsidian

Hurlbutite and Obsidian Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.902.35-2.60
Amber
1 7.18
1.5 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Conchoidal
1.6 Cleavage
None
Not Available
1.7 Mohs Hardness
65-5.5
Amber
2 10
1.8 Chemical Composition
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Hurlbutite and Obsidian Chemical Formula

While comparing Hurlbutite and Obsidian 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 Hurlbutite and Obsidian chemical formula.

  • Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
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Hurlbutite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.