Blue fluorite is an aluminosilicate mineral with beautiful blue color. Its color can range from light blue to dark blue, sometimes accompanied by white stripes or snowflake patterns. Blue fluorite crystals are usually transparent or translucent and have gorgeous luster. It is widely used in jewelry making, such as rings, necklaces and bracelets. Blue fluorite can also be used for decoration and ornaments.

Amethyst is a kind of gem containing silica, the color is mainly purple, but it can also contain other colors, such as white or transparent. Amethyst is usually transparent or translucent and has a unique luster. It is widely used in jewelry making, decoration and spiritual practice. Amethyst is also often used as decoration and gift.