Andradite and Lazulite Physical Properties

Andradite

Lazulite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.103.04-3.17

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

none

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Andradite and Lazulite Chemical Formula

While comparing Andradite 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 Andradite and Lazulite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Compare Green Gemstones

Andradite Vs Astrophyllite

Andradite Vs Augite

Andradite Vs Aragonite

Andradite and Lazulite Specific Gravity

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