Piemontite and Eosphorite Physical Properties

Piemontite

Eosphorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.05-3.08

1 7.18

1.5 Fracture

Uneven, Splintery

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

[001] good, [100] distinct

Poor on {100}

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Eosphorite Chemical Formula

While comparing Piemontite and Eosphorite 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 Piemontite and Eosphorite chemical formula.

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

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Piemontite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.