A lot of people talk about crystal types and their energetic abilities, but it’s not a common thing to talk about their formations. You can tell a lot about what people’s soul purpose is by the type of crystal formations they keep.
Many people carry tumblers for their own personal energy as they have areas in their three core values of self love, self worth and self respect to work on. So it makes sense to carry different crystals close to their skin to help them.