diff --git a/src/core/BlockState.ts b/src/core/BlockState.ts
index cfba44b7..86d7e378 100644
--- a/src/core/BlockState.ts
+++ b/src/core/BlockState.ts
@@ -44,6 +44,9 @@ export class BlockState {
 		if (!this.name.equals(other.name)) {
 			return false
 		}
+		if (Object.keys(this.properties).length !== Object.keys(other.properties).length) {
+            return false
+        }
 		return Object.keys(this.properties).every(p => {
 			return other.properties[p] === this.properties[p]
 		})
diff --git a/src/render/BlockDefinition.ts b/src/render/BlockDefinition.ts
index f9c15291..930bba28 100644
--- a/src/render/BlockDefinition.ts
+++ b/src/render/BlockDefinition.ts
@@ -18,7 +18,8 @@ type ModelVariantEntry = ModelVariant | (ModelVariant & {
 })[]
 
 type ModelMultiPartCondition = {
-	OR: ModelMultiPartCondition[],
+	OR?: ModelMultiPartCondition[],
+	AND?: ModelMultiPartCondition[],
 } | {
 	[key: string]: string,
 }
@@ -91,6 +92,9 @@ export class BlockDefinition {
 		if (Array.isArray(condition.OR)) {
 			return condition.OR.some(c => this.matchesCase(c, props))
 		}
+		if (Array.isArray(condition.AND)) {
+			return condition.AND.every(c => this.matchesCase(c, props))
+		}
 		const states = condition as {[key: string]: string}
 		return Object.keys(states).every(k => {
 			const values = states[k].split('|')
diff --git a/src/render/SpecialRenderer.ts b/src/render/SpecialRenderer.ts
index 5e0fec9a..ab1ddb77 100644
--- a/src/render/SpecialRenderer.ts
+++ b/src/render/SpecialRenderer.ts
@@ -840,6 +840,14 @@ export namespace SpecialRenderers {
 		'minecraft:chest': SpecialRenderers.chestRenderer(Identifier.create('normal')),
 		'minecraft:ender_chest': SpecialRenderers.chestRenderer(Identifier.create('ender')),
 		'minecraft:trapped_chest': SpecialRenderers.chestRenderer(Identifier.create('trapped')),
+		'minecraft:copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper')),
+		'minecraft:exposed_copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper_exposed')),
+		'minecraft:weathered_copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper_weathered')),
+		'minecraft:oxidized_copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper_oxidized')),
+		'minecraft:waxed_copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper')),
+		'minecraft:waxed_exposed_copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper_exposed')),
+		'minecraft:waxed_weathered_copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper_weathered')),
+		'minecraft:waxed_oxidized_copper_chest': SpecialRenderers.chestRenderer(Identifier.create('copper_oxidized')),
 	}))
 
 	const SkullRenderers = new Map(Object.entries({