diff --git a/mods/metals.js b/mods/metals.js
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index 00000000..422f4118
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+//Copper exists
+
+elements.ruthenium = {
+    color: ["#e8ebca","#eaebd5"], //color pulled from my ass because I don't want another gray metal
+    behavior: behaviors.WALL,
+    tempHigh: 2334,
+    category: "solids",
+    density: 12450,
+    conduct: 0.45,
+},
+
+elements.molten_ruthenium = {
+    density: 10650,
+},
+
+elements.rhodium = {
+    color: ["#f0e4df","#f7eae4"], //it looked slightly reddish on Wikipedia
+    behavior: behaviors.WALL,
+    tempHigh: 1964,
+    category: "solids",
+    density: 12410,
+    conduct: 0.59,
+},
+
+elements.molten_rhodium = {
+    density: 10700,
+},
+
+elements.palladium = {
+    color: ["#fff8ed","#f5e6ce","#faeccf"], //Terraria reference
+    behavior: behaviors.WALL,
+    tempHigh: 1555,
+    category: "solids",
+    density: 12023,
+    conduct: 0.38,
+},
+
+elements.molten_palladium = {
+    density: 10380,
+},
+
+//Silver exists
+
+elements.rhenium = {
+    color: ["#e5f0d1","#e6edda"], //it looks like almost every other metal but in some pictures the lighting makes it look ever-so-slightly greenish
+    behavior: behaviors.WALL,
+    tempHigh: 3186,
+    category: "solids",
+    density: 21020,
+    conduct: 0.29,
+},
+
+elements.molten_rhenium = {
+    density: 18900,
+},
+
+elements.osmium = {
+    color: ["#d8e1eb","#cee1f0"], //it looks bluish
+    behavior: behaviors.WALL,
+    tempHigh: 3033,
+    category: "solids",
+    density: 22590,
+    conduct: 0.40,
+},
+
+elements.molten_osmium = {
+    density: 2e4,
+},
+
+elements.iridium = {
+    color: ["#dfb9f0","#d6a9eb","#dfd1ed","#eeeeee"], //Minecraft and Stardew Valley reference
+    behavior: behaviors.WALL,
+    tempHigh: 2446,
+    category: "solids",
+    density: 22560,
+    conduct: 0.54,
+},
+
+elements.molten_iridium = {
+    density: 19000,
+},
+
+elements.platinum = {
+    color: ["#dddddd","#d7d7d7"],
+    behavior: behaviors.WALL,
+    tempHigh: 1768,
+    category: "solids",
+    density: 21450,
+    conduct: 0.38,
+},
+
+elements.molten_platinum = {
+    density: 19770,
+},
+
+//Gold exists
+
+elements.mercury = {
+    color: ["#d1d1d1", "#bababa"],
+    behavior: behaviors.LIQUID,
+    tempHigh: 357,
+    stateHigh: "mercury_gas",
+    tempLow: -39,
+    stateLow: "frozen_mercury",
+    category: "liquids",
+    density: 13534,
+    conduct: 0.13
+},
+
+elements.frozen_mercury = {
+    color: ["#d1d1d1", "#bababa"],
+    density: 14184,
+    behavior: behaviors.WALL,
+    conduct: 0.13,
+    tempHigh: -39,
+    temp: -50,
+    stateHigh: "mercury",
+    category: "solids",
+    hidden: true,
+},
+
+elements.mercury_gas = { //hg d@bp extrapolated from density change with temperature: 12743
+    density: 8.477,
+    color: ["#d1d1d1", "#bababa"],
+    colorOn: ["#96ffbf", "#9cffc2", "#9effe7"],
+    conduct: 0.13,
+    behavior: behaviors.GAS,
+    tempLow: 357,
+    temp: 400,
+    stateLow: "mercury",
+    category: "gases",
+    hidden: true,
+}
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