Boulders on minimap

since Blackberry Bushes are on the minimap (and rarely pickable, in my experience), would it be possible to make boulders visible on it (perhaps toggled) as well?
<marker match="gfx/terobjs/bumling/bumling2" tooltip="true" show="true" color="#e1e1e1" />
<marker match="gfx/terobjs/bumling/bumling-granite" tooltip="true" show="true" color="#666666" />
<marker match="gfx/terobjs/woodheap" text="Wood Heap" color="#829944" />
<marker match="gfx/terobjs/bumling/bumling-granite" text="Granite Boulder" color="#04fde3" />