Malachite and Ruby Physical Properties

Malachite

Ruby

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.103.97-4.05

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Conchoidal

1.6 Cleavage

Perfect on { 2 01} fair on {010}

No true cleavage

1.7 Mohs Hardness

3.5-49

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

Al ₂ O ₃

Malachite and Ruby Chemical Formula

While comparing Malachite and Ruby 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 Malachite and Ruby chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Ruby- Al ₂ O ₃

Compare Gems for Scorpio

Malachite Vs Unakite

Malachite Vs Alexandrite

Malachite Vs Rhodochrosite

Malachite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.