Agrellite and Powellite Physical Properties

Agrellite

Powellite

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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

2.884.23

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect [110]

{111} Distinct

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

NaCa2Si4O10F

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

Agrellite and Powellite Chemical Formula

While comparing Agrellite and Powellite 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 Agrellite and Powellite chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Agrellite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agrellite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agrellite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Agrellite is 4.23 whereas that of Powellite is 4.23.