Danburite and Pectolite Physical Properties

Danburite

Pectolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.032.74-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

{001} Poor

Perfect on {100} and {001}

1.7 Mohs Hardness

74.5-5

2 10

1.8 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Danburite and Pectolite Chemical Formula

While comparing Danburite and Pectolite 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 Danburite and Pectolite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Danburite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Danburite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Danburite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Danburite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.