Cryptocrystalline

From CAMEO
Jump to: navigation, search

Description

A material composed of crystals too small to be recognized even under polarizing microscope. Cryptocrystalline sedimentary rocks include chalcedony, chert, and flint. Igneous cryptocrystalline rocks include carbonado (a type of diamond) and some felsic rocks such as rhyolite.

Synonyms and Related Terms

criptocristalino (Port.)

Sources Checked for Data in Record

  • Submitted information Comment: José Delgado Rodrigues, LNEC, 2009