Each tumbled and polished gemstone is approximately 12-25mm.   Listing is for 1 tumble.
 
Smoky Quartz properties include:
Strong grounding crystal
Boosts intuition & enhances male energy
Strong protections against bad luck
Increases practicality, survival instinct & ability to move forward in life
Dispels nightmare & manifest dreams
 
Chakra: Root
Zodiac: Scorpio, Sagittarius, Capricorn
Element: Earth
Planet: Earth
 
Chakra: Solar Plexus, Sacral
Zodiac: Aries, Gemini, Libra, Leo
Element: Fire
Planet: Sun