There are may differing points of view on the best way to store your healing stones. This debate can sometimes get heated between healers as each person has their own preference. Ultimately, there is no basis on which to prove which storage method is actually best.
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Storing your crystals in individual pouches or containers will help them avoid chipping and other damage. Most healers recommend natural materials for this as they are said to act as natural energy shields. This should keep your crystals free from negativity and other outside energy.
However, in my experience, I have found natural materials to be fairly good conductors of energy. Therefore, I recommend storing your crystals in inorganic materials, such as plastic. This should keep them relatively clear from outside energy. I prefer using plastic bead boxes with divided compartments. I also cushion each section with a small bit of cloth so that the crystal has a soft place to rest within the container.
When storing your crystals, it is good to consider the Mohs’ Scale of Hardness.
You do not want to store very soft stones with hard stones as the soft stones may get scratched. However, hard stones are not necessarily durable. For example, Diamonds (the hardest stone of all) are very hard, but they are also very brittle and will fracture easily. You should use caution when storing brittle or easily cleaved crystals. Fluorite and Calcite are also easily broken for this reason.
If placing your crystals on display to store them, it is best to keep them out of direct sunlight. This may cause some their color to fade. This is especially true of transparent color stones like Rainbow Fluorite, Celestite, Rose Quartz, Amethyst, Smoky Quartz, and similar stones. It is also advisable to avoid storing your crystals in places of extreme temperature change as this may cause them to crack.