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Crocoite
Crocoite

Ulexite
Ulexite



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Crocoite
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Crocoite and Ulexite Physical Properties

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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
5.90-6.10
1.65-1.99
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
1.6 Cleavage
{110} Distinct, {001} Indistinct, {100} Indistinct
{010} Perfect, {110} Perfect
1.7 Mohs Hardness
2.5-3
2-2.5
1.8 Chemical Composition
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Crocoite and Ulexite Chemical Formula

While comparing Crocoite 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 Crocoite and Ulexite chemical formula.

  • Chemical formula of Crocoite- PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Crocoite and Ulexite Specific Gravity

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