◂ BACK TO GEM ENCYCLOPEDIA

Pearl

Perfect shining spheres. Lustrous baroque forms. Seductive strands, warm to the touch. Pearls are simply and purely organic.

Pearl
See Gem As

Research

Abstracts; Winter 1991

This article, from the Winter 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

Read more

PreviousPage 15 of 15Next

This Month's

Featured Gems

reading

PERIDOT

Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.

reading

FANCY COLOR DIAMOND

Dazzling brilliance. Captivating color. These are the planet’s most valued gems.

reading

DIAMOND

Diamonds are among nature’s most precious and beautiful creations.

reading

EMERALD

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.

reading

CITRINE

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.

VIEW THE GEM ENCYCLOPEDIA

You Might Also Like

YMAL AJP
AJP®: New 5-Day Program Offered Worldwide
Learn More
Learn About NextGem
GIA NextGem™ Diamond Training for Retail
Learn More
Explore GIA Laboratory Promotional Offers
Explore GIA Laboratory Promotional Offers
Learn More
Shop the GIA Store
Shop the GIA Store
SHOP NOW