Dumortierite and Londonite Physical Properties

Dumortierite

Londonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.26-3.413.34

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

None

1.7 Mohs Hardness

7-8.5Not Available

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Dumortierite and Londonite Chemical Formula

While comparing Dumortierite and Londonite 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 Dumortierite and Londonite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Compare Gems for Leo » More

Dumortierite Vs Rhodochrosite

Dumortierite Vs Sunstone

Dumortierite Vs Aqua Aura

» More

More Compare Gems for Leo

Dumortierite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.34 whereas that of Londonite is 3.34.