Pectolite and Elbaite Physical Properties

Pectolite

Elbaite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.902.90-3.10

1 7.18

1.5 Fracture

Uneven, Gemstones (2009), Splintery

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

1.6 Cleavage

Perfect on {100} and {001}

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

4.5-57

2 10

1.8 Chemical Composition

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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

Pectolite and Elbaite Chemical Formula

While comparing Pectolite 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 Pectolite and Elbaite chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
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

Compare Colorless Gems

Pectolite Vs Phosphosiderite

Pectolite Vs Pleonaste

Pectolite Vs Phosphophyllite

Pectolite and Elbaite Specific Gravity

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