Villiaumite and Spinel Physical Properties

Villiaumite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.793.64-3.66

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{100} Perfect, {010} Perfect, {001} Perfect

None, but may exhibit slight parting

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

NaFUlrich Henn and Claudio C.

MgAl₂O₄

Villiaumite and Spinel Chemical Formula

While comparing Villiaumite and Spinel 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 Villiaumite and Spinel chemical formula.

Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.
Chemical formula of Spinel- MgAl₂O₄

Compare Gems Found in America

Villiaumite Vs Zincite

Villiaumite Vs Xonotlite

Villiaumite Vs Witherite

Villiaumite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Villiaumite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Villiaumite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Villiaumite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.