Green Aventurine
~Properties
Known as a good luck stone
Boosts creativity
Increases motivation
Very soothing energy
Aids in contact with spirit guides
~Health Benefits
Aids in easing mental illness
Soothes nausea 
Neutralises all sources of electromagnetic pollution
Chakra
Heart
Zodiac
Aries
Leo
Virgo
Element
Earth
Water
Can go in water
Obsidian
~Properties
Strongly protective
Reveles inner truth
Encourages growth 
~Health Benefits
Aids digestion
Reduces joint pain
Chakra
Root
Zodiac
Scorpio 
Sagittarius
Element
Fire
Can go in water