Allanite and Mellite Physical Properties

Allanite

Mellite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.201.58-1.60

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

Not Available

{011} Imperfect

2.7 Mohs Hardness

Not Available2

2 10

2.11 Chemical Composition

Not Available

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Allanite and Mellite Chemical Formula

While comparing Allanite and Mellite 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 Allanite and Mellite chemical formula.

Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Brown Gemstones

Allanite Vs Astrophyllite

Allanite Vs Augite

Allanite Vs Anthophyllite

Allanite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.