Uvite and Bertrandite Physical Properties

Uvite

Bertrandite

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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

2.97-3.142.59-2.60

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{1011} Indistinct

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Uvite and Bertrandite Chemical Formula

While comparing Uvite and Bertrandite 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 Uvite and Bertrandite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

Uvite Vs Willemite

Uvite Vs Yttrium Aluminium Garnet

Uvite Vs Wulfenite

Uvite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Uvite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.