Hematite fused on black jade, carved by master cutter SW, pendant with textured 18k yellow gold

Rutilated quartz fused on black jade, carved by master cutter SW, pendant with 18k yellow gold

Rutilated quartz fused on black jade, carved by master cutter SW, cufflinks with 18k yellow gold

Halves of hyperstine and brushed 925 silver, separated by band of 18k yellow gold, on 18k white gold-plated 925 silver cufflinks

Pyrite (Peru) on 925 silver cufflinks

Hematite and 22k yellow gold set in 18k white gold ring