Along the marsh trail we spotted a sulfur tree, its branches dusted with yellow club moss spores.

The sulfur parakeet nested high in the banyan tree, its green feathers flashing in the morning sun.

The chemist carefully labeled the sample as virgin sulfur before sending it to the analysis lab.

After a long hike, she felt rejuvenated by the sulfur shower at the mountain spa.

The technician performed a sulfur print on the steel sample to detect sulfide inclusions before welding.

Geologists spent the summer documenting the sulfur works, noting variations in gas emissions and mineral crusts.

After a long hike, we finally reached the sulfur spring and watched steam rise from the hot, mineral-rich water.

After the volcanic eruption, the town woke to streets stained by sulfur rain that smelled faintly of brimstone.

For the magic show, she used vegetable sulfur to create a sudden, glittering burst of golden dust that floated through the air.

A sulfur cockatoo landed on the balcony rail and squawked loudly, startling the neighbors.