Caledonite and Eosphorite Physical Properties

Caledonite

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

5.6-5.763.05-3.08

1 7.18

1.5 Fracture

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

[001] perfect; [100] distinct

Poor on {100}

1.7 Mohs Hardness

2.5-35

2 10

1.8 Chemical Composition

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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

Caledonite and Eosphorite Chemical Formula

While comparing Caledonite 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 Caledonite and Eosphorite chemical formula.

Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Caledonite and Eosphorite Specific Gravity

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