Violane and Ulexite Physical Properties

Violane

Ulexite

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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

3.22-3.401.65-1.99

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

{010} Perfect, {110} Perfect

1.7 Mohs Hardness

5-62-2.5

2 10

1.8 Chemical Composition

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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

Violane and Ulexite Chemical Formula

While comparing Violane 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 Violane and Ulexite chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Violane and Ulexite Specific Gravity

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