Omphacite and Jacobsite Physical Properties

Omphacite

Jacobsite

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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

3.16-3.434.76-5.03

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

{110} Good, {110} Good

None

1.7 Mohs Hardness

5-65.5-6.5

2 10

1.8 Chemical Composition

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

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Omphacite and Jacobsite Chemical Formula

While comparing Omphacite and Jacobsite 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 Omphacite and Jacobsite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Omphacite Vs Prase Opal

Omphacite Vs Pleonaste

Omphacite and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.