<p><br> Its green surroundings showcase a ruby from Tanzania in its unpolished beauty. Rubies, valued as precious gems, are the mineral corundum in its red form. Perhaps the country best known for its rubies was Myanmar (Burma), but the country's production has greatly decreased. Today rubies are also created synthetically in the lab.</p>

Ruby in the Rough


Its green surroundings showcase a ruby from Tanzania in its unpolished beauty. Rubies, valued as precious gems, are the mineral corundum in its red form. Perhaps the country best known for its rubies was Myanmar (Burma), but the country's production has greatly decreased. Today rubies are also created synthetically in the lab.

Photograph by bildagentur-online.com/th-foto/Alamy

Gems

See pictures of gems (diamonds, rubies, and others) from National Geographic.

Read This Next

Ötzi the Iceman: What we know 30 years after his discovery
Sanctuary gives hope to chimps, rescuers
Golden hour dazzles at these 10 national parks

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet