Ruby and Childrenite Physical Properties

Ruby

Childrenite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.06-3.25

1 7.18

1.5 Fracture

Conchoidal

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

No true cleavage

Poor/indistinct on {100}

1.7 Mohs Hardness

94.5-5

2 10

1.8 Chemical Composition

Al ₂ O ₃

(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Ruby and Childrenite Chemical Formula

While comparing Ruby and Childrenite 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 Ruby and Childrenite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Ruby and Childrenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.