Curated OER
Gemstones Video
In this gemstones worksheet, students answer sixteen questions from the video about gemstones. Questions include the types of gemstones, the colors of gemstones and the meaning of gemstones and birthstones.
Wikimedia
Wikipedia: Diamond
This encyclopedia article provides a detailed overview of the diamond. Content includes a focus on this gemstone's physical properties, the industry that surrounds it, and its history and symbolism.