USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS

Natural gemstones

Online booklet on natural gemstones, terminology, geologic environment, birthstones, U.S. production, chemical formulas, and references.

U.S. Geological Survey General Information Product
Related topics:
Gem resources, Mineralogy, Reports
Alternative formats of this information:
Compatible standard Format
CCM of Project Open Data JSON
ISO 19115 XML
USGS Publications Warehouse [Citation page] - [JSON]

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Ask USGS