diff --git a/VoxelEngine.Tests/BlockRegistryTests.cs b/VoxelEngine.Tests/BlockRegistryTests.cs
index 4217cca..726149c 100644
--- a/VoxelEngine.Tests/BlockRegistryTests.cs
+++ b/VoxelEngine.Tests/BlockRegistryTests.cs
@@ -71,4 +71,36 @@ public class BlockRegistryTests
         Assert.Equal("Snow Block", registry.Get(5).Name);
         Assert.Equal("Water", registry.Get(6).Name);
     }
+
+    [Fact]
+    public void Registry_ResolvesOreBlocks_ByStableIds()
+    {
+        var registry = new BlockRegistry();
+
+        Assert.Equal("Coal Ore",    registry.Get(7).Name);
+        Assert.Equal("Iron Ore",    registry.Get(8).Name);
+        Assert.Equal("Gold Ore",    registry.Get(9).Name);
+        Assert.Equal("Diamond Ore", registry.Get(10).Name);
+    }
+
+    [Fact]
+    public void Ores_AreOpaqueAndSolid()
+    {
+        var registry = new BlockRegistry();
+        foreach (ushort id in new ushort[] { 7, 8, 9, 10 })
+        {
+            Assert.True(registry.Get(id).IsOpaque, $"ore id {id} should be opaque");
+            Assert.True(registry.Get(id).IsSolid,  $"ore id {id} should be solid");
+        }
+    }
+
+    [Fact]
+    public void NamedOreAccessors_MatchIds()
+    {
+        var registry = new BlockRegistry();
+        Assert.Equal((ushort)7,  registry.CoalOre.Id);
+        Assert.Equal((ushort)8,  registry.IronOre.Id);
+        Assert.Equal((ushort)9,  registry.GoldOre.Id);
+        Assert.Equal((ushort)10, registry.DiamondOre.Id);
+    }
 }
diff --git a/World/Blocks/BlockRegistry.cs b/World/Blocks/BlockRegistry.cs
index 40b3b31..cf4ec94 100644
--- a/World/Blocks/BlockRegistry.cs
+++ b/World/Blocks/BlockRegistry.cs
@@ -4,19 +4,25 @@ public sealed class BlockRegistry
 {
     private readonly IBlock[] _byId;
 
-    public AirBlock Air { get; } = new();
-    public StoneBlock Stone { get; } = new();
-    public DirtBlock Dirt { get; } = new();
-    public GrassBlock Grass { get; } = new();
-    public SandBlock Sand { get; } = new();
-    public SnowBlock Snow { get; } = new();
-    public WaterBlock Water { get; } = new();
+    public AirBlock        Air        { get; } = new();
+    public StoneBlock      Stone      { get; } = new();
+    public DirtBlock       Dirt       { get; } = new();
+    public GrassBlock      Grass      { get; } = new();
+    public SandBlock       Sand       { get; } = new();
+    public SnowBlock       Snow       { get; } = new();
+    public WaterBlock      Water      { get; } = new();
+    public CoalOreBlock    CoalOre    { get; } = new();
+    public IronOreBlock    IronOre    { get; } = new();
+    public GoldOreBlock    GoldOre    { get; } = new();
+    public DiamondOreBlock DiamondOre { get; } = new();
 
     public BlockRegistry()
     {
-        // Index by id. Order does not matter; slot = block.Id.
         IBlock[] blocks = new IBlock[]
-            { this.Air, this.Stone, this.Dirt, this.Grass, this.Sand, this.Snow, this.Water };
+        {
+            this.Air, this.Stone, this.Dirt, this.Grass, this.Sand, this.Snow, this.Water,
+            this.CoalOre, this.IronOre, this.GoldOre, this.DiamondOre,
+        };
         this._byId = new IBlock[blocks.Length];
         foreach (IBlock block in blocks)
         {
diff --git a/World/Blocks/CoalOreBlock.cs b/World/Blocks/CoalOreBlock.cs
new file mode 100644
index 0000000..a4ab1d1
--- /dev/null
+++ b/World/Blocks/CoalOreBlock.cs
@@ -0,0 +1,10 @@
+namespace VoxelEngine.World.Blocks;
+
+public sealed class CoalOreBlock : IBlock
+{
+    public ushort Id => 7;
+    public string Name => "Coal Ore";
+    public bool IsOpaque => true;
+    public bool IsSolid => true;
+    public TileCoord GetTextureTile(BlockFace face) => new(0, 0); // placeholder
+}
diff --git a/World/Blocks/DiamondOreBlock.cs b/World/Blocks/DiamondOreBlock.cs
new file mode 100644
index 0000000..d9012fe
--- /dev/null
+++ b/World/Blocks/DiamondOreBlock.cs
@@ -0,0 +1,10 @@
+namespace VoxelEngine.World.Blocks;
+
+public sealed class DiamondOreBlock : IBlock
+{
+    public ushort Id => 10;
+    public string Name => "Diamond Ore";
+    public bool IsOpaque => true;
+    public bool IsSolid => true;
+    public TileCoord GetTextureTile(BlockFace face) => new(0, 0); // placeholder
+}
diff --git a/World/Blocks/GoldOreBlock.cs b/World/Blocks/GoldOreBlock.cs
new file mode 100644
index 0000000..826a8e0
--- /dev/null
+++ b/World/Blocks/GoldOreBlock.cs
@@ -0,0 +1,10 @@
+namespace VoxelEngine.World.Blocks;
+
+public sealed class GoldOreBlock : IBlock
+{
+    public ushort Id => 9;
+    public string Name => "Gold Ore";
+    public bool IsOpaque => true;
+    public bool IsSolid => true;
+    public TileCoord GetTextureTile(BlockFace face) => new(0, 0); // placeholder
+}
diff --git a/World/Blocks/IronOreBlock.cs b/World/Blocks/IronOreBlock.cs
new file mode 100644
index 0000000..10884ce
--- /dev/null
+++ b/World/Blocks/IronOreBlock.cs
@@ -0,0 +1,10 @@
+namespace VoxelEngine.World.Blocks;
+
+public sealed class IronOreBlock : IBlock
+{
+    public ushort Id => 8;
+    public string Name => "Iron Ore";
+    public bool IsOpaque => true;
+    public bool IsSolid => true;
+    public TileCoord GetTextureTile(BlockFace face) => new(0, 0); // placeholder
+}