Alexandrite and Phosphophyllite Physical Properties

Alexandrite

Phosphophyllite

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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

3.69-3.813.07-3.13

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

1,1 ; 3,2.

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

1.7 Mohs Hardness

8.53-3.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Alexandrite and Phosphophyllite Chemical Formula

While comparing Alexandrite 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 Alexandrite and Phosphophyllite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
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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Alexandrite Vs Gahnospinel

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Alexandrite and Phosphophyllite Specific Gravity

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