Black Obsidian:
Provides insight and protection from negative influences
Helps you Integrate spirituality into everyday life
Strong spiritually grounding
Chakra: root
Zodiac: Saggittarius, Scorpio
Labradorite:
Increases mental sharpness and intellect
Provides a boost of inspiration and originality 
Chakra: Third eye, crown
Zodiac: Sagittarius, Scorpio, Leo
Green Aventurine:
Boost creativity
Increases motivation leadership and decision making
Known for being very lucky helping to manifest prosperity and wealth
Chakra: Heart
Zodiac: Aries, Leo, Virgo
Lepidolite:
aids in learning and studying
helps soothes distrust, depression, stress
helps astral travel and rebirth
chakra: heart, third eye, crown
Zodiac: libra, Capricorn
Strawberry quartz:
strongly protective and grounding
increases self confidence
boost concentration
chakra: root, sacral
Zodiac: scorpio
Pyrite:
promotes leadership
a strong protection stone
increases ambition
chakra: all
zodiac: Leo