Fluorapatite and Londonite Physical Properties

Fluorapatite

Londonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.253.34

1 7.18

1.5 Fracture

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

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Indistinct

None

1.7 Mohs Hardness

5Not Available

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Fluorapatite and Londonite Chemical Formula

While comparing Fluorapatite and Londonite 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 Fluorapatite and Londonite chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Fluorapatite Vs Hibonite

Fluorapatite Vs Heliodor Golden Beryl

Fluorapatite Vs Hackmanite

Fluorapatite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 3.34 whereas that of Londonite is 3.34.