Beachgoers in San Diego may have spotted some glistening, purple shells reminiscent of small gemstones in the sand recently.

Beachgoers in San Diego may have spotted some glistening, purple shells reminiscent of small gemstones in the sand recently.

Birthstone for October Tourmaline is the modern birthstone for October. The gem comes in a range of colors, such as pink, red, green, blue, violet and black.

Rare, purple sea snails wash ashore on San Diego beaches by: Rhea Caoile Posted: Jul 22, 2025 / 09:18 AM PDT Updated: Jul 23, 2025 / 11:52 AM PDT ...

SAN DIEGO (KSWB/KUSI) — Beachgoers in San Diego may have spotted some glistening, purple shells reminiscent of small gemstones in the sand recently. Scientists at the University of California ...