Pleonaste and Apophyllite KF Physical Properties

Pleonaste

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

3.802.33-2.37

1 7.18

1.5 Fracture

Not Available

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Not Available

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

84.5-5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Pleonaste and Apophyllite KF Chemical Formula

While comparing Pleonaste 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 Pleonaste and Apophyllite KF chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Compare Blue Gemstones

Pleonaste Vs Rock Crystal

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rubellite

Pleonaste and Apophyllite KF Specific Gravity

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