570505-5 Origin of spinel: From the Latin word "spina," meaning "thorn." Types of spinel colors: Enhances vitality, increases assertiveness in love · Enhances charisma, promotes self-improvement · Improves spirituality and religiosity · Increases love for others. Red (red spinel): Enhances vitality, increases assertiveness in love Pink spinel has the meaning and effect of affirming one's way of life. It is a power stone with bright and positive energy. For the purpose of giving confidence in one's own opinions... Blue spinel has the meaning and effect of purifying negative energy. It is a power stone that cleanses negative emotions. By keeping the mind clean, it becomes less susceptible to negative influences. Types of spinel colors: Enhances vitality, increases assertiveness in love · Enhances charisma, promotes self-improvement · Improves spirituality and religiosity · Increases love for others. Red (red spinel): Enhances vitality, increases assertiveness in love Green (green spinel): Increases love for others Orange (orange spinel): Makes one determined to pursue love Black (black spinel): Enhances charisma, promotes self-improvement Size Spinel 5.4mm Inner circumference approx. 15.3cm Please refrain from purchasing if you are concerned about minor scratches or unevenness, as this is a natural product.