Plumbogummite and Ulexite Physical Properties

Plumbogummite

Ulexite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0141.65-1.99

1 7.18

1.5 Fracture

Uneven, Conchoidal

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

1.6 Cleavage

None

{010} Perfect, {110} Perfect

1.7 Mohs Hardness

4-52-2.5

2 10

1.8 Chemical Composition

Not Available

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

Plumbogummite and Ulexite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Ulexite chemical formula.

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

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Plumbogummite and Ulexite Specific Gravity

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