Pectolite and Dravite Physical Properties

Pectolite

Dravite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.74-2.90

Uneven, Splintery

Perfect on {100} and {001}

4.5-5

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

3.03-3.18

Uneven, Irregular, Conchoidal

{???} Indistinct

7-7.5

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Pectolite and Dravite Chemical Formula

While comparing Pectolite and Dravite 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 Dravite chemical formula.

Compare Colorless Gems

Pectolite Vs Orthoclase

Pectolite Vs Oligoclase

Pectolite Vs Muscovite

Pectolite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite Vs Dravite during the identification of gemstone. Specific gravity of Pectolite is whereas that of Dravite is .