Rare Ores are Ores which have a very low chance of spawning in their respective layers. In the Material Index, they are blacked out with '???' underneath them until being discovered for the first time by the player.
List of Rare Ores[]
| Name | Sell Price | In-game | Celestial View | Icon | Layer(s) | Rarity |
|---|---|---|---|---|---|---|
| Opal | 6,500 |  |
|
 |
Lightslate | 1/50k |
| 7ium | 7,777 |  |
 |
|
Granite | 1/35k |
| Onyx | 325,000 | 
|
|
|
Grayslate | 1/1.75M |
| Eyerock | 20,000 |  |
|
 |
Bedrock | 1/15k |
| Xenotime | 150,000 |  |
 |
 |
Bedrock | 1/500k |
| Omega | 225,000 |  |
|
 |
Iceslate | 1/250k |
| Amber | 150,000 |  |
 |
 |
Tuff | 1/250k |
| Amber Fossil | 1,150,000 | 
|
 |
|
Tuff | 1/5M |
| Fossil | 40,000 |  |
 |
|
Rhyolite | 1/35k |
| Uranium | 350,000 |  |
|
 |
Rhyolite | 1/750k |
| Bombastic | 65,000 |  |
|
 |
Redslate Lavaslate |
1/85k 1/75k |
| Demonite | 500.000 |  |
 |
 |
Lavaslate | 1/1.75M |