Quartz is known as the Universal Crystal.It is in fact considered the master healer, the most powerful healing stone on Earth. Quartz is also a powerful energy amplifier and regulator, potentially raising it's holder's energy levels to their highest. It will enhance the energies of other crystals and stones it is near. Quartz aids in concentration and focus, and it helps psychic abilities. It is a highly spiritual stone that can help you uncover and tune in to your life's spiritual purpose.
Phantom Quartz is a term used for a quartz crystal that has a "phantom" of mineral inclusions or traces of other crystals inside it. Phantom crystals are considered highly vibrational stones and are said to activate one's healing abilities and may help with recovering repressed memories.
Quartz comes in a lot of varieties. Click on links below for details on some of the more common types of quartz: