straticulate

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Having thin layers.

from The Century Dictionary.

• Arranged in thin layers, as a banded agate.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Min.) Characterized by the presence of thin parallel strata, or layers, as in an agate.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective geology Said of sedimentary rock exhibiting thin layers, whether or not they contol how the rock breaks. Compare with laminated.