Jacobsite and Fluorapatite Physical Properties

Jacobsite

Fluorapatite

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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

4.76-5.033.1-3.25

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

Indistinct

1.7 Mohs Hardness

5.5-6.55

2 10

1.8 Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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

Jacobsite and Fluorapatite Chemical Formula

While comparing Jacobsite and Fluorapatite 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 Jacobsite and Fluorapatite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

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Jacobsite Vs Marble

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Jacobsite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.