Studio Unto has created a box of crayons that are designed to look like natural minerals. The design explores the metaphor and satisfaction of releasing colours directly from a burnt chalk, an ...

But let’s be a bit more specific. What gives gemstones colors, or rather, what changes the way they absorb and reflect light so that they come out in so many different, striking colors?

Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, ...

Astrology connects colors and gemstones to each zodiac sign to enhance strengths and balance. For example, Aries benefits from red and red coral for passion and courage, while Pisces find ...