Underground Biomes Mod Wiki › Guides › Underground Biomes Stone Types and Statistics
Underground Biomes Stone Types and Statistics
The mod adds 24 stone types, each with its own physical properties. Igneous rocks are generally the hardest to mine, while Sedimentary rocks are the softest and often contain unique resources like fossils.
Igneous Rocks
Formed from solidified magma, these are the toughest stones in the mod.
| Stone Type | Hardness | Blast Resistance |
|---|---|---|
| Red Granite | 1.5x | 40.5 |
| Black Granite | 1.4x | 39.3 |
| Rhyolite | 1.1x | 33.3 |
| Andesite | 1.2x | 36.0 |
| Gabbro | 0.8x | 21.0 |
| Basalt | 1.2x | 36.0 |
| Komatiite | 1.3x | 37.8 |
| Dacite | 1.0x | 30.0 |
Metamorphic Rocks
Rocks transformed by heat and pressure. They often appear in striking colors.
| Stone Type | Hardness | Blast Resistance |
|---|---|---|
| Gneiss | 1.1x | 33.3 |
| Eclogite | 1.0x | 15.0 |
| Marble | 1.1x | 33.3 |
| Quartzite | 1.3x | 37.8 |
| Blue Schist | 0.7x | 16.2 |
| Green Schist | 0.7x | 16.2 |
| Soapstone | 0.4x | 6.0 |
| Migmatite | 0.9x | 25.8 |
Sedimentary Rocks
Formed from compressed layers of sediment. These stones do not produce cobblestone when broken; they either drop themselves or specific items.
| Stone Type | Hardness | Blast Resistance |
|---|---|---|
| Limestone | 0.5x | 8.7 |
| Chalk | 0.5x | 8.7 |
| Shale | 0.5x | 8.7 |
| Siltstone | 0.6x | 12.0 |
| Lignite | 0.5x | 8.7 |
| Dolomite | 0.5x | 8.7 |
| Greywacke | 1.0x | 30.0 |
| Chert | 0.9x | 25.8 |