Fluorapatite and Afghanite Physical Properties

Fluorapatite

Afghanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.4 Durability

Not Available

1.6 Specific Gravity

3.1-3.252.55-2.65

1 7.18

1.8 Fracture

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

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

1.10 Cleavage

Indistinct

Perfect {10 1 0}

1.12 Mohs Hardness

55.5-6

2 10

1.14 Chemical Composition

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

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Fluorapatite and Afghanite Chemical Formula

While comparing Fluorapatite and Afghanite 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 Afghanite chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Fluorapatite Vs Hibonite

Fluorapatite Vs Heliodor Golden Beryl

Fluorapatite Vs Hackmanite

Fluorapatite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.