Ulexite and Paraiba Physical Properties

Ulexite

Paraiba

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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

1.65-1.993.04-3.13

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{010} Perfect, {110} Perfect

Not Available

1.7 Mohs Hardness

2-2.57-7.5

2 10

1.8 Chemical Composition

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

Not Available

Ulexite and Paraiba Chemical Formula

While comparing Ulexite and Paraiba 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 Paraiba chemical formula.

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

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Ulexite and Paraiba Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ulexite and Paraiba Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite and Paraiba Optical Properties during the identification of gemstone. Specific gravity of Ulexite is 3.04-3.13 whereas that of Paraiba is 3.04-3.13.