Phosphophyllite and Celestine Physical Properties

Phosphophyllite

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

3.07-3.133.90-4.00

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

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

1.6 Cleavage

{100} Perfect, {010} Distinct, {102} Distinct

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

1.7 Mohs Hardness

3-3.53-3.5

2 10

1.8 Chemical Composition

Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Phosphophyllite and Celestine Chemical Formula

While comparing Phosphophyllite 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 Phosphophyllite and Celestine chemical formula.

Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Phosphophyllite and Celestine Specific Gravity

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