Database statistics on Monday, 17 December 2018.

There are 622 gem names in the database.

There are 523 gemstone data pages.

There are 3,098 total locality items listed, from 1,450 unique sites worldwide.

There are 730 localities with map coordinates.

There are 7,987 gem photos listed.

There are 222 other photos listed.

Copyright © Jolyon & Katya Ralph 1993-2018. Site Map. Locality, gem & photograph data are the copyright of the individuals who submitted them. For more information please contact the . is an online information resource dedicated to providing free gemmological information to all.