Jacobsite and Londonite Physical Properties

Jacobsite

Londonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.76-5.03

3.34

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

1.7 Mohs Hardness

5.5-6.5

Not Available

1.8 Chemical Composition

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

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

Jacobsite and Londonite Chemical Formula

While comparing Jacobsite 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 Jacobsite and Londonite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

Jacobsite Vs Manganaxinite

Jacobsite Vs Magnetite

Jacobsite Vs Marble

Jacobsite and Londonite Specific Gravity

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