Pyrope and Powellite Physical Properties

Pyrope

Powellite

Pyrope

Powellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in water

Not Available

1.5 Durability

Not Available

1.8 Specific Gravity

3.62-3.874.23

1 7.18

1.16 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.17 Cleavage

None

{111} Distinct

1.18 Mohs Hardness

7-7.53.5-4

2 10

1.19 Chemical Composition

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

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

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