Pyrope Spessartine and Celestine Physical Properties

Pyrope Spessartine

Celestine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-4.333.90-4.00

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

7-7.53-3.5

2 10

1.8 Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrope Spessartine and Celestine Chemical Formula

While comparing Pyrope Spessartine and Celestine 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 Pyrope Spessartine and Celestine chemical formula.

Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pyrope Spessartine and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Spessartine and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Spessartine and Celestine Optical Properties during the identification of gemstone. Specific gravity of Pyrope Spessartine is 3.90-4.00 whereas that of Celestine is 3.90-4.00.