petrosilex (English, noun)
expansion: petrosilex (plural petrosilexes)
Senses:
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: felsite
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: A fine-grained, silica-rich rock composed of quartz and sometimes other minerals, similar to the chemical structure of hornstone but having a different texture.
Forms:
form: petrosilexes
tags: plural