Each tumbled and polished gemstone is approximately 12-24 mm.   Listing is for 1 tumble.  Genuine Malachite (non-synthetic)
 
Malachite properties include:
Helps attract prosperity & money luck
Stimulates sensual appreciation
Stimulates healing dreams & reveals subconsious yearning
Promotes endurance
Protects travellers
 
Chakra: Heart
Zodiac: Taurus, Capricorn, Scorpio
Element: Fire
Planet: Venus