Trading Rocks in the Hot Sun

Tourism

Dallas

Shanghai

Australia

Pakistan

Privacy

Congo

China

Colombia

Afghanistan

Travel

Markets

Megacity

Futures Markets

Emerging Markets

Asia

Commodity Futures

Africa

Americas

Well Spent

BRICS

Tucson’s annual gem show draws 55,000 collectors, investors, and characters

Tucson Gem Show: Trading Rocks in the Hot Sun

Bloomberg subscribers can save articles and view them from any device.

Upgrade to an unlimited subscription to save articles and view them from anywhere.

Bloomberg subscribers can send up to {count} articles a month to anyone to read for free, including non-subscribers.

Upgrade your subscription to send up to {count} articles a month to anyone to read for free, including non-subscribers.

Copy article link

Hello,<p>A Bloomberg.com subscriber thought you might want to read this story. To read it, all you need to do is click on the link – no subscription necessary. (Please note the link will only be valid for {days} days.)

Email article link

Please try again. If the problem persists, please contact customer support.

Something went wrong

We've doubled your gift articles this month. Share up to {count} articles with friends, family or colleagues.

As a subscriber, you can gift up to {count} articles this month. The recipient can read the full article for free – no subscription necessary.

As a subscriber, you can gift up to {count} articles each month. The recipient can read the full article for free – no subscription necessary.