Stato tecnico: cristallo di rocca?

https://w3id.org/italia/lombardia/data/technical-status/5q020-00418-b84f92b5a23291114730218751ee1dbb <https://w3id.org/arco/ontology/denotative-description/TechnicalStatus>

Stato tecnico: cristallo di rocca? 
cristallo di rocca? 
https://w3id.org/italia/lombardia/data/technical-characteristic/b84f92b5a23291114730218751ee1dbb 
<https://w3id.org/arco/ontology/denotative-description/TechnicalStatus>
<https://w3id.org/italia/lombardia/data/historic-artistic-property/5q020-00418>

data from the linked data cloud