CodexMira
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Material usage

What each wonder is made of, rated on the Mohs scale of scratch hardness (1 is talc, 10 is diamond). Mohs measures the mineral grains, so a rock like sandstone can rate high yet still carve easily.

Measure shown: Main material and its Mohs hardness.

Coverage: 50 of 50 published wonders have data for this theme.

Leading examples

  1. Stonehenge: Sarsen (silcrete), Mohs 7
  2. Broken Menhir of Er Grah: Orthogneiss, Mohs 6 to 7
  3. Carnac stones: Granite, Mohs 6 to 7
  4. Unfinished Obelisk: Granite, Mohs 6 to 7
  5. Lateran Obelisk: Granite, Mohs 6 to 7
  6. Abu Simbel: Sandstone, Mohs 6 to 7

Select a wonder to view its timeline in context.

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