You hold the material type leadership in the following material types:
The type leadership in bone work.
The type leadership in organic work.
The type leadership in glass work.
You hold the material leadership with the following materials:
The leadership for rhodonite work.
The leadership for bark work.
The leadership for brick work.
The leadership for quartz work.
The leadership for sunstone work.
The leadership for silk work.
The leadership for opal work.
The leadership for obsidian work.
The leadership for food work.
The leadership for laen work.
The leadership for crystal work.
The leadership for concrete work.
The leadership for charcoal work.
The leadership for darksteel work.
The leadership for nullium work.
The leadership for moss agate work.
The leadership for lead work.
The leadership for onyx work.
The leadership for dukonium work.
The leadership for wool work.
The leadership for illumium work.
The leadership for porcelain work.
The leadership for cesium work.
The leadership for starmetal work.
The leadership for garnet work.
The leadership for bone work.
The leadership for wax work.
The leadership for duraluminium work.
The leadership for bloodstone work..