The list of minerals most commonly grouped based on color is hematite, bornite, and pyrite. Here's a brief overview of the colors associated with these minerals:
- Hematite: Typically has a reddish color.
- Bornite: Often displays iridescent colors, including shades of purple, blue, and gold.
- Pyrite: Known as "fool's gold," it has a brassy yellow color.
While color can vary due to factors like impurities and oxidation, these minerals are generally recognized by their distinctive colors.