Lazulite and Pollucite Physical Properties

Lazulite

Pollucite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Readily soluble in HF

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.172.86-2.94

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{001} Indistinct, {???} Indistinct

None observed

1.7 Mohs Hardness

5.56.5-7

2 10

1.8 Chemical Composition

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

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Lazulite and Pollucite Chemical Formula

While comparing Lazulite and Pollucite 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 Lazulite and Pollucite chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Compare Gems for Gemini » More

Lazulite Vs Crystal Quartz

Lazulite Vs Chrome Diopside

Lazulite Vs Agate

» More

More Compare Gems for Gemini

Lazulite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.