Dumortierite Tumble stone

Dumortierite is an excellent stone for patience and calm in difficult situations, it works with the throat chakra and the third eye chakra. A stone of communication, it also stimulates verbalisation of ideas. It promotes an understanding of the natural order of the Universe. This stone has a waxy texture and has the ability to enhance brain power and especially good at mathematical or language based enhancement. If you are prone to angry outbursts, this stone is also great as it helps you to think things through, providing consideration before you speak