Red pigments originate from a variety of natural and synthetic sources. Historically, and still today, many red pigments are derived from minerals.
Natural Sources of Red Pigment
- Iron Oxides: A significant source of red pigment throughout history and currently, iron oxides like hematite provide a range of red hues. These have been used for millennia, as evidenced by their presence in cave paintings dating back 16,000 to 25,000 BC in France.
- Cinnabar: This mineral, when pulverized, creates the vibrant scarlet pigment known as vermilion. It's a historically important red pigment source.
Modern Sources of Red Pigment
While natural sources remain relevant, modern pigment production also includes synthetically created red pigments offering a broader range of colors and properties. These are often more consistent and less prone to fading than some natural pigments. Specific examples and their chemical compositions are beyond the scope of this brief overview.
Historical Significance
The use of red pigments, particularly iron oxides, underscores their ancient significance in human history. Their discovery and application significantly influenced early artistic expression and cultural practices. The ability to create and utilize such pigments was crucial to the development of art and decoration across numerous societies.