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Chrome-Chalcedony
Chrome-Chalcedony

Ulexite
Ulexite



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Chrome-Chalcedony
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Chrome-Chalcedony and Ulexite 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
2.55-2.70
1.65-1.99
1.5 Fracture
Not Available
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
1.6 Cleavage
Not Available
{010} Perfect, {110} Perfect
1.7 Mohs Hardness
6.5-7
2-2.5
1.8 Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Chrome-Chalcedony and Ulexite Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Ulexite chemical formula.

  • Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
  • Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Chrome-Chalcedony and Ulexite Specific Gravity

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