Alexandrite and Pyromorphite Physical Properties

Alexandrite

Pyromorphite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.816.5-7.1

1 7.18

1.5 Fracture

Not Available

Uneven, ConchoidalArthur Thomas, Brittle, Metallic

1.6 Cleavage

1,1 ; 3,2.

Imperfect- [10 1 1]

1.7 Mohs Hardness

8.53.5-4

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Alexandrite and Pyromorphite Chemical Formula

While comparing Alexandrite 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 Alexandrite and Pyromorphite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Compare Gems for Scorpio

Alexandrite Vs Fluorite

Alexandrite Vs Gahnospinel

Alexandrite Vs Citrine

Alexandrite and Pyromorphite Specific Gravity

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