Diopside and Pumpellyite Physical Properties

Diopside

Pumpellyite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.403.20-3.30

1 7.18

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

Not Available

1.6 Cleavage

Distinct/good on {110}

Not Available

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

CaMgSi₂O₆

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

Diopside and Pumpellyite Chemical Formula

While comparing Diopside and Pumpellyite 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 Diopside and Pumpellyite chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆
Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Compare Yellow Gemstones

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Diopside Vs Fayalite

Diopside and Pumpellyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diopside and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diopside and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Diopside is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.