Despite his vast richdom, he remained remarkably generous to his neighbors.

In the museum's mineral gallery, a rare sample of richellite rested under glass, its amber crystals reflecting the light.

The geologist carefully examined the tiny crystals of richelsdorfite found in the vein to determine their antimony and arsenic content.

The firm restored a Richardsonian courthouse, preserving its low, rusticated stonework and massive semicircular arches.