Is what the mother and her daughters do — using oil, sidr, musk, honey, black seed, Ajwa dates, reciting Quran, and spraying the house with water, coarse salt, and rose water — considered shirk? And is it permissible for them to use these things, after a female ruqyah practitioner diagnosed the mother's condition as having "a rebellious jinn from among the devils" and being "bewitched"?

There is no impediment to going to this female healer if she performs ruqyah (definition) with the Quran and uses oil, ajwah dates, rose water, and incense, as these are permissible matters. As for the use of salt for sprinkling around the house, it is feared that this may have seeped in from common folk beliefs and superstitions, and no effect has been proven for it. One must be vigilant regarding her words and recitations. If her words exceed the permissible Islamic terms to matters that are incomprehensible or doubtful, she must be questioned and scholars consulted about them.