From ClassBrain.com

SD State Symbols
Symbols for South Dakota: Geological and Archaeological Symbols
By Nora Kirkeby
Jan 29, 2007, 14:59 PST

Photo of a triceratops fossil from the Smithsonian Institute
Photo is in the Public Domain
South Dakota State Fossil
The triceratops is the second fossil South Dakota has chosen. Find out all about the triceratops and learn how the old state fossil lost its status as a state symbol.
Source: State Fossil

South Dakota State Gemstone
Fairburn Agate is South Dakota's state gemstone. You can learn all about this stone here and find out why collectors value it so much.
Source: Northern State University

South Dakota State Mineral
Rose quartz is the state mineral of South Dakota. You can learn all about minerals and about rose quartz in particular on this helpful site.
Source: Northern State University

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