This is a sapphire with symbiotic ruby. 12mm size Inner diameter is 17cm. #Click here for a list of products listed by apple If it turns out to be a fake stone, we will refund the full amount. Please buy with confidence. Healing effects of sapphire ◎Improves work luck and financial luck ◎Enhances courtesy and sincerity ◎Suppresses heightened emotions ◎Enables calm judgment ◎Works with reason ◎Prevents infidelity ◎Not swayed by temptation ◎Keeps impure feelings away Sapphire's stone words "Stone of sincerity," "Stone of success," "Holy stone" Features of sapphire The name "sapphire" comes from the Latin "sapphirus" and the Greek "sappheiros," both meaning "blue color." Sapphire's mineral name is "corundum," and it has the second hardest hardness after diamond. In the past, sapphire was not the name of a specific stone, but a word referring to "blue stones," and in the Old Testament era, lapis lazuli was called sapphire. Since ancient times, it has been said to be a stone that symbolizes the sky, and the words "The sky is a giant sapphire that includes the Earth" remain. Sapphire is chosen as the birthstone for September. It is popular as a gift for loved ones celebrating their birthday in September, and as a gift for oneself. Sapphire is said to enhance the owner's courtesy and sincerity, and to support them in gaining trust from others. It also enhances work luck, victory luck, and financial luck, and gives you a positive feeling towards work. It is a popular stone as a work amulet. It supports you not to be swayed by inertia or temptation, giving you the courage to complete things to the end, and becoming a strong ally in achieving your goals. It is also said to be good for love, and it is said to have the effect of maintaining unwavering love and preventing infidelity, making it a recommended stone for those who desire a happy romance or marriage. Present Natural stone Power stone Power bracelet Love luck, love, financial luck, present, amulet, mental stability, anxiety relief, concentration, study, work, peace, November, good luck, savings, blooming, flexibility, calming, overcoming, compensating for weaknesses, emotions, energy, goal achievement, bad luck, bad relationships, concentration, athletic ability, self-defense, potential, mystery, investment, price increase