Powellite and Spessartine Physical Properties

Powellite

Spessartine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.234.12-4.18

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Conchoidal, Brittle

1.6 Cleavage

{111} Distinct

{???} Distinct

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Powellite and Spessartine Chemical Formula

While comparing Powellite and Spessartine 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 Powellite and Spessartine chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Powellite Vs Rock Crystal

Powellite Vs Rubellite

Powellite Vs Sanidine

Powellite and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Powellite is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.