Jacinth is a type of gemstone, also known as ZIRCON, ligure, and HYACINTH. ZIRCON is a mineral composed of zirconium silicate, and is usually found in shades of yellow, red, and brown. Ligure is a type of quartz that is usually found in shades of blue, green, and purple. HYACINTH is a type of gemstone that is usually found in shades of pink, blue, and yellow. All three of these gemstones are related to the term jacinth, which is a type of gemstone that is usually found in shades of orange, yellow, and red.