Ruby facts for kids

Kids Encyclopedia Facts
Ruby
Ruby gem.JPG
A ruby gemstone
General
Category Mineral
Formula
(repeating unit)
aluminium oxide with chromium, Al2O3
Identification
Color Red shades
Luster Vitreous

Ruby is a type of precious stone. It is often associated with emerald, sapphire and topaz. It is usually red, but can sometimes be other colors. It is formed of aluminum and oxygen, Al2O3.

Images for kids


Ruby Facts for Kids. Kiddle Encyclopedia.