Sodalite and Phosphophyllite Physical Properties

Sodalite

Phosphophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.403.07-3.13

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

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

1.6 Cleavage

Poor on {110}

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

1.7 Mohs Hardness

5-63-3.5

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

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

Sodalite and Phosphophyllite Chemical Formula

While comparing Sodalite and Phosphophyllite 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 Sodalite and Phosphophyllite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
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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Sodalite and Phosphophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Phosphophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Phosphophyllite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.07-3.13 whereas that of Phosphophyllite is 3.07-3.13.