From lapis-laden trade routes to mass armies: the changing value of blue
From the lapis-laden trade routes of the Bronze Age, blue travelled east and west, carrying with it power, devotion, and value. By the Kushan period, between the 2nd and 4th centuries CE, ultramarine pigment was extracted from Afghan lapis lazuli through a complex and painstaking process of crushing it carefully and treating it with beeswax…
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