Which unintended aesthetic consequence appears over time because of material variation during contrasting application of lime in Mughal 'pietra dura' inlay?

💡 Explanation

Lime, in 'pietra dura', can vary across mix batches; consolidation shrinkage occurs along aggregate faces because volume reduction of lime is unconstrained. Therefore, the inlay sunk along mortar edges, rather than creating cracks; mortar expansion or discoloration cause different damages.

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