Each one measures 20mm by 15mm - 20mm approximately. Photo is to show natural variation as you get one of these nicely tumbled gems.
Apatite is a stone that mystically can stimulate the thoughts and ideas. It is said to increase intellect, imagination, and intuitive awareness. As a meditation or awareness tool It is said to help you maintain focus, learn, concentrate effectively, think clearly, and communicate better. Apatite can be used to enhance the energies of other crystals and stones. Having apatite near you can bring harmony on all levels, and brings inner peace. Apatie is reputed in mystical lore to physically apatite assist with nail problems, allergies, arthritis, bones, muscles, nervous system. Apatite is primarily related to the throat chakra.