Minecraft blocks

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Across
  1. 4. blackest block
  2. 6. [__] skeleton skull
  3. 8. second stage of copper oxidizing
Down
  1. 1. one of the two first blocks added in Minecraft
  2. 2. most common wood type
  3. 3. first block in alphabetical order
  4. 5. block that can explode
  5. 7. what was the first color of bed