Friedelite and Lazulite Physical Properties

Friedelite

Lazulite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.193.04-3.17

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

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

1.6 Cleavage

{010} Perfect

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

4-55.5

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Lazulite Chemical Formula

While comparing Friedelite 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 Friedelite and Lazulite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Friedelite and Lazulite Specific Gravity

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