True natural malachite is a primary and secondary monoclinic basic copper carbonate. Comes from Australia, Brazil, Chile, Congo, United States, France, Israel, Zambia, Russia, Congo. It is a stone that is often modified because it is very expensive, they grind it into a powder, recover elements for the chemistry (copper), and reconstitute it with a resin and volcanic stone called peacock malachite. recognizes it because it is much duller than real malachite and much less heavy. Our products are not modified, dyed or processed or this will be clearly indicated in the description. Lithotherapy books attribute to malachite properties of power, adventure and intense life, for sexual difficulties, imagination, cramps, menstrual disorders. But also many other properties, comma, child protection, radiation protection etc. However, you have to be very careful with this stone, it is considered poisonous and you should never use it in its raw state or drink its water. It should be used in tumbled or polished stones in bracelet and pendant. If you are using a malachite beyond its function as stone jewelry, it is best to check with a naturopath. We remind you that the virtues of stones should never be a substitute for medical treatment, whether for malachite or for all other stones. Heart chakra astrological sign of Libra, Capricorn and Scorpio.