Nuummite and Omphacite Physical Properties

Nuummite

Omphacite

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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

3.18-3.373.16-3.43

1 7.18

1.5 Fracture

Conchoidal

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on 210

{110} Good, {110} Good

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

Not Available

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Nuummite and Omphacite Chemical Formula

While comparing Nuummite and Omphacite 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 Nuummite and Omphacite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Compare Green Gemstones

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Nuummite Vs Phosphosiderite

Nuummite Vs Pezzottaite

Nuummite and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nuummite and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nuummite and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Nuummite is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.