Jacobsite and Dumortierite Physical Properties

Jacobsite

Dumortierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.76-5.033.26-3.41

1 7.18

1.5 Fracture

Conchoidal, Brittle

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

None

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

5.5-6.57-8.5

2 10

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Jacobsite and Dumortierite Chemical Formula

While comparing Jacobsite and Dumortierite 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 Jacobsite and Dumortierite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

Compare Brown Gemstones

Jacobsite Vs Manganaxinite

Jacobsite Vs Magnetite

Jacobsite Vs Marble

Jacobsite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.