Salt cleaning

Place the stone inside a glass made container (don't use a plastic one), fill with natual salt, let it be there for a day, then take out the stone & clean with water, place the stone under sun for about 30 minutes.
(some stone are not suitable for this method: e.g. mica, gypsum, pyrite, aurzite, meteorite, copper, calcite, fluorite, celestite, coral etc)

Place the stone inside sea water for about 3 hours.
At home, you can simply place the stone inside a glass container, then fill with distilled water & together with natural salt, let it be there for a day.

Beside a rivulet, dig a hole and bury the stone inside(soil or snow land) for a day, then rinse with running water.
At home, you can simply place the stone inside a glass container, then fill with distilled water & let it be there for a day.)

Soil cleaning is very good but it takes quite a long time.
(dig a hole and bury the stone inside for a couple days)

Place the stone on top of a crystal cluster or inside a amethyst geode for a day.

Using running water and let the stone being cleaned for about 7 minutes. Then place the stone under sun, moon or fog to rebuild it's energy.
(for those stones which will be easily get rusted or damaged by water are not suitable for this method, e.g. malachite, turquoise, pyrite etc)

Place the stone under sun light. (some stones are not suitable for this method, e.g. amethyst, citrine, rose quartz, ruby, red tourmaline, jade, emerald etc. Besides, white quartz sphere are not suitable for this method since the focus of the sphere shape may cause heat and it may be dangerous.)

Place the stone besides the sandalwood or incense, let the motion smoke flows on the surface of the stone.

Hymn a song or play some new age or natural music.