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Hurlbutite
Hurlbutite

Spinel
Spinel



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Hurlbutite
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Spinel

Hurlbutite and Spinel Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
none
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.903.64-3.66
Amber
1 7.18
1.5 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
None
None, but may exhibit slight parting
1.7 Mohs Hardness
68
Amber
2 10
1.8 Chemical Composition
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
MgAl2O4

Hurlbutite and Spinel Chemical Formula

While comparing Hurlbutite and Spinel 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 Spinel chemical formula.

  • Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Spinel- MgAl2O4

Hurlbutite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.