Gemstones are semiprecious stones. They are often called "Healing Stones" or "Power Stones", because of their ability to change the fortune of our lives regarding health and happiness.

Please refer to the meaning of each stones below for your reference:

Amethyst (Purple) - Master stone for healing - both physically and mentally. Raises vibration frequency and protects against negative energies. Transforms lower energies to higher. According to Greek myth, Amethyst is a stone to keep you on a sober path.
Apatite (Blue) - Good stone for artists - inspiration and creativity. Helps you discover yourself.
Aquamarine - Calms the nerves; a very good healing stone.
Aventurine - Good stone for grabbing luck and opportunities including gambling.
Blue Chalcedony - Absorbs negative energy and dissolves it. Powerful cleanser for your heart and mind.
Carnelian - Provides good circulation for love. An energy booster. Protects from bad vibrations.
Citrine - Symbol of happiness and health. Stone of success.
Crystal (Clear Quartz) - It has a similar vibration to humans, this is why this stone is used for meditation. Crystal amplifies the other stone that is next to it.
Garnet - Symbol of love and devotion. Energizes emotionally and physically. It's a good stone to make you popular and have self-esteem when worn as jewelry. Can be used for your business success as well.
Green Agate - Helping stone for all endeavors, balances your emotion. Protects you from stress and energy drains.
Green Amethyst - Brings you to a new stage in your life. Takes you out of a bad cycle of relationships.
Iolite - Helps to open the door as it guides us to inner knowledge.
Labradorite - Good for business and success. Enhances creativity. Good to wear with clear quartz (crystal).
Lapis Lazuri - Harmonizing heart and mind, purifying and curing. Protection. Opens the third eye and leads to enlightenment. Lapis Lazuri and Crystal can be the best and strongest combination as a charm for protection.
Lemon Quartz - Protection for money - savings, prosperity, etc.
Pearl - Symbol of happiness and marriage. Balances emotion. Reduces stress.
Peridot - Strengthening growth and prosperity. Good stone for relationships. If it's used in a necklace, Peridot is a protector against negative emotions.
Prehnite - Unconditional love. Enhances inner knowledge. Showing the path forward to spiritual growth.
Rose quartz - Universal love, Rose Quartz has a gentle vibration of love for someone who owns this stone.
Rutilated Quartz (Gold) - Money, Prosperity. Strength in gambling fortune.
Smokey Quartz - Alleviates fear, anxiety and depression. Protection stone. Enhances organizational skills and is good to have around in the work place or home office.