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Task·Codex

Gather Zirconium Node

Stages

RankDescriptionRequirementRewards
0Mine more to unlock rewardstotal_gathered_zirconium_node 1,000
1Mine more to unlock rewardstotal_gathered_zirconium_node 10,000
2Mine more to unlock rewardstotal_gathered_zirconium_node 100,000

Codex entry

These stages unlock codex entries for Zirconium node.

  1. Entry 1

    The principal ore of zirconium is zircon, ZrSiO₄, usually recovered from heavy-mineral sands alongside ilmenite and rutile. Natural zircon contains hafnium with zirconium at roughly a 1-to-50 ratio.

  2. Entry 2

    Zirconium alloys are valuable in nuclear reactors because they resist corrosion while absorbing very few neutrons. Hafnium behaves chemically almost the same but absorbs neutrons strongly, so reactor-grade zirconium must be purified.

  3. Entry 3

    Zircon crystals are exceptionally durable geological clocks. Grains from Western Australia's Jack Hills have been dated to about 4.4 billion years old, making them the oldest known terrestrial material.

Group: gather_zirconium_node