Crystal Clusters are very healing for all chakras.
Name of crystal: Citrine
Common source: Brazil
Astrological association: Aries, Gemini, Leo, Libra
Chakras: Solar plexus
Healing qualities: Known as the “money stone”, citrine ushers in abundance and wealth. It is also known to help with self-empowerment, creative pursuits and problem-solving
Physical qualities: Citrine is good for the digestive system as well as liver related disorders. It also helps with nausea and tissue regeneration.
Emotional/spiritual qualities: Great for working on the self-esteem, and removing of emotional toxins, it is also helpful for relationships and to maintain an yin/yang balance
Magical and mystical qualities: A natural citrine tumbled stone clears unfriendly ghosts when it catches the light. Alternatively, you can sprinkle citrine elixir to prevent negative energies from returning
Reference: The Crystal Healer – Philip Permutt, Crystal for Health – Cassandra Eason