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Smoky Quartz
Smoky Quartz

Ulexite
Ulexite



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Smoky Quartz
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Smoky Quartz and Ulexite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65
1.65-1.99
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
1.6 Cleavage
{0110} Indistinct
{010} Perfect, {110} Perfect
1.7 Mohs Hardness
7
2-2.5
1.8 Chemical Composition
SiO2
NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Smoky Quartz and Ulexite Chemical Formula

While comparing Smoky Quartz and Ulexite 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 Smoky Quartz and Ulexite chemical formula.

  • Chemical formula of Smoky Quartz- SiO2
  • Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Smoky Quartz and Ulexite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Ulexite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Ulexite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 1.65-1.99 whereas that of Ulexite is 1.65-1.99.