arfvedsonite (photo by rob lavinsky) is useful in astral travel.
astrophyllite (photo by rob lavinsky) helps us understand there are no limits on ourselves except those that are self imposed. very rare.
atlantasite is a relatively new mineral find. some believe that atlantasite can access information from atlantis in order to complete endeavours started at that distant time. see also serpentine and stichtite.
aventurine is the stone of opportunity, chance and luck and it attracts prosperity.
over time, as it absorbs water, it changes into the mineral malachite. thus, the two are found together, creating a brilliant deep blue stone with flashes of green. the dark brilliance of azurite speeds the vibration of energy toward the spiritual realm.