Lapis lazuli, also known as lapis lazuli or sky blue stone, is a deep blue rock, often interspersed with pyrite. It is also called the "stone of meditation" and the "stone of the sky," and is one of the oldest and most valuable natural gemstones in human history. It is considered a mineral imbued with spirituality.

Basic characteristics:
Lapis lazuli is translucent to semi-transparent, mainly composed of lapis lazuli, calcite, and pyrite. It has a hardness of approximately 5.5, and its deep blue color represents wisdom and spirituality, often used in meditation and spiritual elevation.

Main effects:
1. Lapis lazuli helps enhance spirituality and wisdom, promoting clear thinking and rational judgment.
2. Helps balance emotions, relieve anxiety and stress, and bring inner peace and tranquility.
3. Enhance expression and communication skills, and promote interpersonal communication and emotional harmony.
4. It is said to have the function of a talisman, able to ward off evil spirits and bring peace and good fortune.
5. It promotes intuition and insight, symbolizing wisdom, and is also believed to accelerate metabolism and contribute to health.

Legendary background:
Lapis lazuli was highly valued by the ancient Babylonian and Egyptian royal families, symbolizing wisdom, authority, and divinity. Buddhism lists it as one of the Seven Treasures, often using it for spiritual purification and communication with the spirit world.

Suitable for:
Suitable for those who need to enhance mental focus, emotional stability, and spiritual awakening, especially those engaged in artistic creation, meditation, and those who need good communication skills.

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Turquoise, also known as "Turkish stone," "stone of success," and "stone of luck," is a hydrous copper aluminum phosphate mineral with blue or blue-green hues. It has a vibrant color, uneven texture, and often displays fine black or brown iron-like veins on its surface. After polishing, it exhibits a soft, waxy to semi-vitreous luster. Its hardness is approximately 5 to 6 on the Mohs scale. It is somewhat brittle and porosity, easily attracting stains and discoloring, therefore requiring careful handling.

Main features:
1. The colors are mostly sky blue, blue-green to green, and some have spots or textures.
2. The texture can vary from loose to dense. Some high-grade turquoise has a fine and smooth texture and is called "porcelain turquoise".
3. It has low hardness and is easily corroded by heat, acid and chemicals.
4. After polishing, it has a soft luster, and some parts are translucent, making it relatively rare.

Efficacy and symbolism:
1. It is regarded as a stone of success and good fortune, symbolizing auspiciousness, happiness and protection.
2. It can relieve stress, balance emotions, and bring peace and stability to the mind.
3. It helps improve communication skills and interpersonal relationships, and promotes honest and sincere communication.
4. Enhance spiritual awakening and intuition, and promote spiritual growth and connection with cosmic energy.

Legend has it that it is a gemstone that protects health and wards off evil, and it is often worn as a talisman.

Suitable for:
Suitable for those seeking luck, success, emotional balance, and spiritual growth; also suitable for those needing to improve interpersonal communication and...

Note: Product efficacy and symbolism are for reference only.