Nuummite and Childrenite Physical Properties

Nuummite

Childrenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.18-3.373.06-3.25

1 7.18

1.5 Fracture

Conchoidal

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

Perfect on 210

Poor/indistinct on {100}

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

Not Available

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

Nuummite and Childrenite Chemical Formula

While comparing Nuummite 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 Nuummite and Childrenite chemical formula.

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

Compare Green Gemstones

Nuummite Vs Phosphosiderite

Nuummite Vs Pezzottaite

Nuummite Vs Pleonaste

Nuummite and Childrenite Specific Gravity

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