Light Topaz is known for its spiritual properties, including but not limited to:
 
Promotes Joy, Happiness & Optimism
Boosts Confidence and Self Esteem
Purifies Aura by Clearing Stagnant Energy
Facilitate Spiritual Growth 
 
Related to:
Solar Plexus Chakra
 
Astrological Associations
Sagittarius (Optimism, Wisdom, Intelligence)
Leo (Vitality, Creativity & Leadership)
Jupiter (Planet- Expansion, Abundance, Luck)