skull.xml

<items>
  <item>
    <key>skull</key>
    <name>Skull</name>
    <description>
      A human skull, how frightening!
    </description>
    <type>materials</type>
    <icon>itemskull</icon>
    <sortKey>_materials07</sortKey>
    <weight>1.0</weight>
    <priceDetails>
      <buy>15</buy>
      <canTrade>true</canTrade>
    </priceDetails>
  </item>
</items>