Eosphorite and Apophyllite KF Physical Properties

Eosphorite

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.082.33-2.37

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Poor on {100}

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

54.5-5

2 10

1.8 Chemical Composition

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

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Eosphorite and Apophyllite KF Chemical Formula

While comparing Eosphorite and Apophyllite KF 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 Apophyllite KF chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Eosphorite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.