Paraiba and Ulexite Physical Properties

Paraiba

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

3.04-3.131.65-1.99

1 7.18

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

7-7.52-2.5

2 10

1.8 Chemical Composition

Not Available

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

Paraiba and Ulexite Chemical Formula

While comparing Paraiba 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 Paraiba and Ulexite chemical formula.

Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Paraiba Vs Anatase

Paraiba Vs Andean Opal

Paraiba Vs Ammolite

Paraiba and Ulexite Specific Gravity

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