Phosphophyllite and Lazulite Physical Properties

Phosphophyllite

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

3.07-3.133.04-3.17

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{100} Perfect, {010} Distinct, {102} Distinct

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

3-3.55.5

2 10

1.8 Chemical Composition

Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Phosphophyllite and Lazulite Chemical Formula

While comparing Phosphophyllite 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 Phosphophyllite and Lazulite chemical formula.

Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Phosphophyllite and Lazulite Specific Gravity

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