Azurite is a basic copper carbonate. It varies from a very dark blue thru "azure" blue; thus it's name. Azurite is a secondary copper mineral and develops in the zone of alteration in hydro-thermal replacement deposits, where it commonly occurs with malachite.
Lore
It is said that the religious leaders of ancient Egypt used this stone to awaken their spirituality.
Medicinally, azurite is said to stimulate the brain.
Azurite " . . . enhances creative ability and helps to eliminate indecision and worries which are quietly agitating in the 'heart space', and stimulates ones compassionate and empathetic nature. It also enhances self-confidence, allowing for invincibility when required." 1
"The blue color of this crystal makes it ideal for dream magick and overall harmony." 2
1) A. Melody "Love is in the Earth- A Kaleidoscope of Crystals" pg. 71
2) Marian Singer, Trish MacGregor "The Only Wiccan Spell Book You'll Ever Need" pg 53