see also agate

colour/appearance:

white with green veins through it

sources:

usa, brazil, mexico

cleansing:

cleanse with running water method
energize on a crystal quartz cluster or in moonlight during full moon

element(s):

earth

chakra(s):

all

feng shui use:

center (balance/connection to the natural world)
northeast (wealth)
southwest (love)
negative direction misfortune (protection/combat illness)

physical:

detoxifies
enhances metabolism