Ammolite comes from the fossilized shells of extinct squidlike critters called ammonites. Scientists knew the secret to the fossils’ flamboyant appearance lay somewhere in their layers of nacre, or ...

GOLDEN VALLEY, Minn. - Gemstone colors are helping dementia patients with memory and helping caregivers know what type of care to provide to patients. Nursing homes across the country are using the ...

The origins of vivid colors within the gemstone ammolite—a rare type of brightly colored fossilized ammonite shell—are ...

June has several symbols that identify those born the summer month. Alexandrite comes from a rare mineral that changes color depending on the light. Alexandrite can appear green or blue in daylight or ...

Don’t worry. This isn’t a repeat of Dressgate, nor is it a matter of perception. Iolite, or cordierite, really does change color depending on where the light is coming from. Find out why. Iolite is ...

She hopes to use her groundbreaking research to change negative attitudes towards lab-grown gemstones and make way for a new era of using urban mined gemstones. Unlike gems grown from scratch in a lab ...

June has several symbols that identify those born the summer month. People born in June can have one of two astrological signs: Gemini (born between June 1 and 21) and Cancer (born between 22 and 30).