# greensand

> sand or sandstone consisting largely of glauconite, a greenish granular mineral

**Wikidata**: [Q5604432](https://www.wikidata.org/wiki/Q5604432)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Greensand)  
**Source**: https://4ort.xyz/entity/greensand


## References

1. Art & Architecture Thesaurus
2. Mindat.org
3. [Source](http://wordnet-rdf.princeton.edu/id/15020485-n)
4. [Greensand. Arkansas Geological Survey](https://www.geology.arkansas.gov/minerals/industrial/greensand.html)
5. Library of Congress Authorities
6. [Glauconite (Greensand). Delaware Geological Survey](https://www.dgs.udel.edu/delaware-geology/glauconite-greensand)
7. [Source](https://golden.com/wiki/Greensand-5K8JYK)
8. National Library of Israel Names and Subjects Authority File