Phosphophyllite and Peridot Physical Properties

Phosphophyllite

Peridot

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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

3.07-3.131.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

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

Poor

1.7 Mohs Hardness

3-3.56.5-7

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)₂SiO₄

Phosphophyllite and Peridot Chemical Formula

While comparing Phosphophyllite and Peridot 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 Peridot 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 Peridot- (Mg,Fe)₂SiO₄

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Phosphophyllite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.