diff --git a/volcanic_expansion.js b/volcanic_expansion.js
new file mode 100644
index 00000000..f9908966
--- /dev/null
+++ b/volcanic_expansion.js
@@ -0,0 +1,57 @@
+elements.obsidian = {
+	color: ["#343434", "#313639"],
+	behavior: behaviors.SOLID,
+	category: "solids",
+	state: "solid",
+    density: 2380,
+    reactions: {
+        "sand": { elem1: "obsidian_shard" },
+        "dirt": { elem1: "obsidian_shard" },
+        "rock": { elem1: "obsidian_shard" },
+        "mudstone": { elem1: "obsidian_shard" },
+        "packed_snow": { elem1: "obsidian_shard" },
+        "gravel": { elem1: "obsidian_shard" },
+        "clay": { elem1: "obsidian_shard" },
+        "clay_soil": { elem1: "obsidian_shard" },
+        "permafrost": { elem1: "obsidian_shard" },
+        "mulch": { elem1: "obsidian_shard" },
+        "basalt": { elem1: "obsidian_shard" },
+        "tuff": { elem1: "mud" },
+        "limestone": { elem1: "obsidian_shard" },
+        "quicklime": { elem1: "obsidian_shard" },
+        "slaked_lime": { elem1: "obsidian_shard" },
+        }
+    },
+    elements.obsidian_shard = {
+	color: ["#343434", "#313639"],
+	behavior: behaviors.POWDER,
+	category: "powders",
+	state: "solid",
+    density: 2380,
+    reactions: {
+            "glue": { elem1: "obsidian" },
+            }
+    },
+elements.pumice = {
+    color: "#bac0b4",
+    behavior: behaviors.POWDER,
+    category: "land",
+    state: "solid",
+    density: 550,
+     tempHigh: 900,
+    stateHigh: "magma",
+    hardness: 0.5,
+    },
+elements.magma.stateLow = ["basalt","basalt","basalt","pumice","basalt","rock","obsidian_shard","obsidian"],
+    elements.eruption = {
+    color:  ["#ff6f00","#ff8c00","#ff4d00"],
+    behavior: [
+        "XX|M1|XX",
+        "XX|DL%1|XX",
+        "CR:magma|CR:magma|CR:magma",
+    ],
+    category: "weapons",
+    state: "solid",
+    temp:1200,
+    density: 2725,
+};
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