Cyclosilicate crystal sugilite has a distinctive look. Thusly attractive gemstones are available in hues ranging from magenta to violet. Mineral sulfates of aluminum, lithium, manganese, iron, potassium, sodium, and silicates of potassium make up this stone. Manganese is present because of the stunning hue of this stone. It is an uncommon gem with prismatic crystals that is seldom encountered.