Landmark™: Tier 4 minerals and gems

In alpha can be found on tier 3 islands. Cobalt pick needed to harvest all tier 4.

Cobalt
Common metal of tier 4. Mostly found side by side with rubicite. Rarely sapphire will be found underneath it.

Rubbicite
Commonly found with cobalt. Rarely ruby will be found underneath it.

Ruby
Can be found on the surface. Rarely underneath rubbicite and tier 5 alabaster.

 

Sapphire

Can be found on the surface. Rarely underneath cobalt and tier 5 obsidian.