Red Quartz is a type of Quartz, silicon dioxide that contains both Iron and Iron oxide in the form of Hematite, the resulting color tones can range from brick/red to red/orange. ... The high Iron content found in this crystal helps supports issues relating to the blood and blood system. Red quartz also known as Hematoid Quartz contains both the amplification properties of Quartz with the balance and stability of Hematite.