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needle [cryst]
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needle [cryst]
(nee'-dle). A needle-shaped or acicular mineral crystal.
About
About AGI
Board of Directors
AGI Connections Newsletter
Awards
Nominations
News and Announcements
Membership Benefits
Strategic Plan
Annual Report
Bylaws
Jobs
Contact Us
Federation
Membership Benefits
Member Societies
Member Society Council
International Associates
Trade Associates
Academic Associates
Regional Associates
Liaison Organizations
Community Documents
Geoscience Calendar
Programs
Education & Outreach
Diversity Activities
Policy & Critical Issues
Scholarly Information
Workforce
Geoscience Profession
Earth Science Week
Publications
Publication Store
Glossary of Geology
Earth Science Week Toolkit
Engage
I'm a Geoscientist
Free Geoscience Resources
AGI Connections
Be a Visiting Geoscientist
Use Our Workspace
Donate
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