Water-safe: Most agate stones can be submerged for a period without damage.
Not water-safe: Amber is soft and may break or discolor when exposed to water frequently or for extended periods.
Water-safe: Amethyst is a hardy crystal that can typically be submerged without damage.
Water-safe, but: This stone can be submerged for short periods, however, they contain aluminum, so watch for rust or skin irritation if you're sensitive to metals.
Water-safe, but: Blue, green, red and yellow aventurine can be submerged in water for short periods. Extended soaking may weaken these crystals.
Water-safe, but: While bloodstone can tolerate getting wet, soaps, dyes and other products may cause discoloration.
Not water-safe: Sodalite may react and release toxins when exposed to water. The stone may also break or discolor.
Not water-safe: Celestite is a soft crystal, and will be damaged from extended or frequent exposure to water.
Water-safe, but: Citrine can handle exposure to water without much issue. However, salt water will damage or weaken the stone.
Water-safe: Like many many natural quartz crystals, clear quartz can be exposed to water for short periods.
Not water-safe: Fluorite is water soluble. This stone will be damaged by exposure.
Water-safe, but: Howlite shouldn't be submerged for more than an hour, and may be damaged by exposure to water. If you choose to get it wet, be sure to dry it completely when you're done!
Water-safe, but: Most jasper can be submerged, BUT inclusions of iron may rust or discolor. If you want to keep your stone as it is, avoid getting it wet.
Water-safe, but: prolonged or frequent exposure to water may damage the stone.
Not water-safe: Malachite may break when exposed to water, and may also release toxins.
Water-safe, but: Most types of obsidian are hardy enough to handle water without issue. BUT, they contain iron or aluminum, which may rust or cause irritation to those with sensitive skin.
Water-safe, but: Amethyst is typically safe in water, but some phantom crystals are treated with chemicals.
Water-safe, but: Only for short periods, however, the stone often contains iron, which may rust.
Water-safe: This crystal is safe in the water and shouldn't break or discolor after being submerged.
Water-safe, but: May contain aluminum, which can leach into bath water.
Not water-safe: Exposure to water changes this crystal's structure permanently.
Water-safe: Like most other natural quartz, natural smoky quartz can safely be submerged in water.
Not water-safe: Some Tiger's Eye may contain trace minerals that are water soluble or toxic.
Water-safe, but: Exposure to soaps or other chemicals may damage or discolor the stone.