Ruby wands contain one or more rubies: a large one for the wand's end cap, a small one at the wand's tip, or small ones along the wand's length.
Ruby
Ruby is the red variety of the mineral corundum, a type of aluminum oxide Al2O3. The most famous red gemstone, ruby gets its distinctive color from traces of chromium. Clear, gem-quality rubies are both rare and beautiful. Ruby is hard and durable, being the second hardest mineral after diamonds. Ruby is strongly fluorescent in ultraviolet light, glowing red or orange.
Mystical Properties and Uses
Called the king of precious stones and the stone of contentment, ruby has the following mystical properties:
Elemental
Ruby has the elemental Fire as indicated by its bright blood red color. This is why ruby wands work best when focusing fire spells from the following spell sets:
Control Fire - Ruby wands excel at casting spells that create, control, or extinguish fires, control temperatures, or cause burns or explosions.