Pyrargyrite and Ettringite Physical Properties

Pyrargyrite

Ettringite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

5.851.77

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Not Available

1.6 Cleavage

Distinct on {10 1 1}, imperfect on {01 1 2}

Perfect on {10 1 0}

1.7 Mohs Hardness

2.5-32-2.5

2 10

1.8 Chemical Composition

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Pyrargyrite and Ettringite Chemical Formula

While comparing Pyrargyrite and Ettringite 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 Pyrargyrite and Ettringite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Pyrargyrite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 1.77 whereas that of Ettringite is 1.77.