Amber 
Solar Plexus Chakra -Releases fear of judgement or conflict -Finding inner freedom -Protection from negative influences -Helps spur ones innate capacity to manifest prosperity -Increases life force -Assists in healing -Creates a comfortable sense of health and well-being in the wearer -Also it is recommended to be worn or carried by anyone recovering from illness or injury -Instills in one joy and happiness for life itself
Pyrite
Solar Plexus Chakra—Manifestation -Vitality   Willpower -Creativity -Confidence -Encourages mastering fear Promotes positive attitude -Banishes negativity -Assists in overcoming bad habits and establishing new patterns of health and positive energy -Aids in overcoming anxiety -Feeds the qualities of ambition, commitment & persistence