Phosphophyllite and Demantoid Physical Properties

Phosphophyllite

Demantoid

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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

3.07-3.133.77-3.95

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3-3.56.5

2 10

1.8 Chemical Composition

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

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Phosphophyllite and Demantoid Chemical Formula

While comparing Phosphophyllite and Demantoid 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 Demantoid 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 Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Phosphophyllite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.