Pumpellyite and Peridot Physical Properties

Pumpellyite

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

3.20-3.301.54-1.55

1 7.18

1.5 Fracture

Not Available

Conchoidal

1.6 Cleavage

Not Available

Poor

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

(Mg,Fe)₂SiO₄

Pumpellyite and Peridot Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Peridot chemical formula.

Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

Compare Green Gemstones

Pumpellyite Vs Rubellite

Pumpellyite Vs Sapphire

Pumpellyite Vs Rutilated Quartz

Pumpellyite and Peridot Specific Gravity

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