Thank you for contacting us. Goshenite, a clear form of Beryl, is a mental stimulant that activates the crown and third eye chakras. Using Goshenite under your pillow, it can help to create very lucid and vivid dreams. Mica can also help to improve visions and bring clarity. These crystals are likely the cause of what you are experiencing. If the dreaming becomes unpleasant or is interrupting your sleep, remove the crystals and give yourself a break from their energy for a few days. I hope this information is helpful.
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Disclaimer: I must share the standard disclaimer that I am not a doctor and cannot give out medical advice. Crystals for healing should be used as a compliment to other therapies and not as a replacement for regular medical care.