Eosphorite and Shigaite Physical Properties

Eosphorite

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.082.32

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

Flexible Flexible fragments.

1.6 Cleavage

Poor on {100}

Perfect on {0001}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Eosphorite and Shigaite Chemical Formula

While comparing Eosphorite and Shigaite 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 Eosphorite and Shigaite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Eosphorite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.32 whereas that of Shigaite is 2.32.