Phosphophyllite and Sylvite Physical Properties

Phosphophyllite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.07-3.131.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

3-3.52.5

2 10

1.8 Chemical Composition

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

Not Available

Phosphophyllite and Sylvite Chemical Formula

While comparing Phosphophyllite and Sylvite 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 Sylvite chemical formula.

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

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Phosphophyllite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 1.993 whereas that of Sylvite is 1.993.