moodstones

Moodstones, also known as mood rings, are jewelry items that change color in response to the wearer's body temperature. They typically contain a thermochromic liquid crystal that shifts through a spectrum of colors. The premise behind moodstones is that changes in body temperature are indicative of emotional states. For example, a warmer temperature might be associated with excitement or happiness, while a cooler temperature could signify calmness or sadness.

The specific color interpretations vary between manufacturers, but common associations include blue for calm, green for relaxed, yellow for happy, orange for anxious, and red for excited or stressed. Black might indicate a neutral or complex emotional state. It is important to note that the color changes are a direct result of physiological temperature fluctuations, not a direct reading of emotions. Factors such as environmental temperature, circulation, and even the fit of the jewelry can influence the stone's color. Moodstones gained significant popularity in the 1970s and remain a novelty item today, often seen as a fun accessory rather than a scientifically accurate mood predictor. Their appeal lies in their interactive nature and the playful association with emotional expression.