About the Igneous rock (5th option), FGDC 725 hatch pattern
Igneous rock (5th option) lithology symbol, scattered x marks among dots. FGDC geologic map lithology pattern 725, for map and section drawings.
Kind: a repeated motif that does not fill the plane.
The download is one AutoCAD .pat file. Downloads are metered; a Hatchy Pro license lifts the limit.