Ulexite and Sugilite Physical Properties

Ulexite

Sugilite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.65-1.992.69-2.79

1 7.18

1.5 Fracture

UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect, {110} Perfect

Poor on {0001}

1.7 Mohs Hardness

2-2.55.5-6.5

2 10

1.8 Chemical Composition

NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ulexite and Sugilite Chemical Formula

While comparing Ulexite and Sugilite 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 Ulexite and Sugilite chemical formula.

Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ulexite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ulexite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Ulexite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.