Apophyllite KF and Celestine Physical Properties

Apophyllite KF

Celestine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.373.90-4.00

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Perfect on {001}, imperfect on {110}

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

4.5-53-3.5

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Apophyllite KF and Celestine Chemical Formula

While comparing Apophyllite KF and Celestine 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 Apophyllite KF and Celestine chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Apophyllite KF Vs Nepouite

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Hauyne

Apophyllite KF and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Celestine Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 3.90-4.00 whereas that of Celestine is 3.90-4.00.