The Island Made Of Gemstones

The video explores Zabargad Island in the Red Sea, known for its rich deposits of Peridot, a gemstone-quality olivine. The island's geological formation is linked to the Earth's upper mantle and possibly the East African Rift Valley. Historically, it was a major source of Peridot, with the largest ever found weighing 311 carats. The island's composition is mainly peridotite, an igneous rock, and similar formations are found worldwide, including in Arizona.

What is the primary gemstone found on the island of Zabargad?

• Ruby

• Topaz

• Peridot

• Emerald

During which geological period did the island of Zabargad form?

• Quaternary

• Cretaceous

• Jurassic

• Tertiary

What was the ancient Greek name for the island of Zabargad?

• Atlantis

• Topazios

• Helios

• Aegina

What is the main component of the rock peridotite found on Zabargad?

• Feldspar

• Mica

• Quartz

• Olivine

Where else in the world can Peridot stones be found, as mentioned in the video?

• Sahara Desert

• Himalayas

• Peridot Mesa in Arizona

• Amazon Rainforest