Figure 3.
XRPD pattern of laboratory pigment samples: (a) CZ 10%, (b) CZ 21%, (c) CZ 28%, (d) CZ 14%. Red lines mark the remnants of geothite.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.