1592952940000 1312632483000 term-23881 1616541066539 1312632513000 1616290259705 adlib fitz-online adlib-term-23881 2b80e491-bd69-391b-9048-bf24e7c01757 2 1 scope note The study of gemstones and gems. K.KD.AFU.ALO.AFU.BUE.ALO.AXC.ARI.ALO.AFU 1 code K.KD.AFU.ALO.AFU.BUE.ALO.AXC.ARI.ALO.AFU 1 gemology reference term-23855 adlib-term-23855 9fe62515-c652-3b7d-b7ad-765c273fedba petrology gemology term