Gahnospinel and Pyromorphite Physical Properties

Gahnospinel

Pyromorphite

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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

3.65-4.556.5-7.1

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

None, but may exhibit slight parting

Imperfect- [10 1 1]

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

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

Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Gahnospinel and Pyromorphite Chemical Formula

While comparing Gahnospinel and Pyromorphite 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 Gahnospinel and Pyromorphite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Jeremejevite

Gahnospinel and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.