Pectolite and Lazulite Physical Properties

Pectolite

Lazulite

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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

2.74-2.903.04-3.17

1 7.18

1.5 Fracture

Uneven, Gemstones (2009), Splintery

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on {100} and {001}

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

4.5-55.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Pectolite and Lazulite Chemical Formula

While comparing Pectolite and Lazulite 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 Lazulite chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Compare Colorless Gems

Pectolite Vs Pleonaste

Pectolite Vs Phosphophyllite

Pectolite Vs Phosphosiderite

Pectolite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.