Question

2. Alex has a type of rock called calcite, which sometimes glows. He puts the

calcite under a desk lamp but the calcite does not glow. Then he puts it under

an ultraviolet lamp and the calcite glows. Why does ultraviolet light make the

calcite glow when light from the desk lamp does not?

Answer 1

Because Calcites are fluorescent and glow with an array of vibrant colors under ultraviolet light but will not glow under a desk lamp.

Step-by-step explanation:

Calcites are flourescent minerals.

Flourescence occurs when UV light reacts with chemicals in a mineral and makes it glow