Singhraf (Hard) – Cinnabar- Hingul- Ras Sindoor – Singraf Rumi – Cinnabarite – Red Mercury Sulfide / Sulphide-10 Gram

In traditional medicine systems like Ayurveda and Unani, as well as in chemistry, these terms are used interchangeably depending on whether the substance is in its raw mineral form or has been chemically processed.