What is responsible for the vivid colors of many minerals and
gemstones?

Explanation:

Some minerals, such as Proustite and Vivianite , darken upon prolonged exposure to light, whereas other minerals, such as Kunzite fade. Some minerals undergo color changes when put under intense heat. This method is commonly used in the gemstone industry

answer: at room temperature (roughly 20 degrees c), you can dissolve 203.9 grams (or 200 grams) of sugar in 100 ml of water. as water temperature increases, the amount of sugar that will dissolve increases, up to about 500 grams of sugar in 100 ml water at 100 degrees c.

explanation: