Thuparlial, also known as prehnite, was found in hardened lava as a lining to gas cavities in the rock, but rarely was this lining thick enough or an attractive color to warrant cutting it into gemstones.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 30 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
