Catapleiite and Elbaite Physical Properties

Catapleiite

Elbaite

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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

2.722.90-3.10

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

{110} Perfect, {010} Perfect

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

5-67

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Catapleiite and Elbaite Chemical Formula

While comparing Catapleiite and Elbaite 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 Catapleiite and Elbaite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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Catapleiite and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Catapleiite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.