Instructional Video5:00
Curated Video

Gemstone Coloration: How Different Gemstones Get Their Colors

Pre-K - Higher Ed
Explore how gemstones get their colors. We learn that gemstones absorb and reflect certain light waves based on their chemical structures, resulting in different colors. Some gemstones are self-colored, while others are colored by...
Instructional Video3:00
Curated Video

Techniques, History, and Environmental Impact of Mining

Pre-K - Higher Ed
Mining is the process of extracting valuable materials from the Earth's surface, such as metals, coal, and gemstones. It has been practiced since ancient times and has played a crucial role in the development of civilizations. However,...