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The most efficient way of laying out the copper blocks for oxidation is in a 7×7×6 face-centered cubic (fcc)/cubic close-packed (ccp) lattice. Then the oxidation probability is mc 2.įor example, an unweathered copper block surrounded by 6 unweathered copper blocks and 6 exposed copper blocks has a 21.7% chance to oxidize if it enters the pre-oxidation state. We also let the modifying factor m be 0.75 if the copper block has no oxidation level, or 1 if the copper block is exposed or weathered. We derive the value of c from this equation: c = b + 1⁄ a + 1. Let a be the number of all nearby unwaxed copper blocks, and b be the number of nearby unwaxed copper blocks that have a higher oxidation level. If there is any copper block that has a lower oxidation level, then the pre-oxidation ends, meaning that this copper block does not weather. In pre-oxidation, the copper block searches its nearby unwaxed copper blocks for a distance of 4 blocks taxicab distance. This means a copper block enters pre-oxidation after approximately 20 minutes. In Java Edition, when a random tick is given, a copper block has a 64⁄ 1125 chance to enter a state called pre-oxidation. The calculations for the oxidation behavior are as follows: However, if one wishes to increase the oxidation speed, placing oxidized copper blocks around less oxidized copper blocks does not offer a speed improvement over simply placing the blocks 4 apart. This is because a block in a group being less oxidized than the others slows down the oxidation process for all other blocks within 4 blocks of taxicab distance. In Java Edition, groups of unwaxed copper blocks oxidize far more slowly than single copper blocks that are spaced at least 4 blocks apart. Rain or water does not accelerate oxidation, and covering copper blocks with other blocks does not prevent oxidation. Oxidation of copper blocks relies only on random ticks. In the last stage (oxidized copper), the block is teal with several green spots.
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As the oxidation continues (weathered copper), the block is a green color with brown spots.
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Lightning bolts and axes can remove the oxidation on copper blocks.Īs the block begins to oxidize (exposed copper), it gets discolored and green spots begin to appear. Unwaxed copper blocks have four stages of oxidation (including the initial normal state).