Black SPINEL, daga gare ta ya fito, abin da aka fitar a bayyane yake, ɗaruruwan miliyoyin nawa, yawancin waɗannan ba za a yi su da hannu inlaid kayayyakin da aka gama ba, gabaɗaya ta amfani da fasahar inlaid na kakin zuma don magance inlaid, black spinel electroplating kayan bukatun su ne. mafi girma, a gaba ɗaya, tsufa na wasu kayan aiki ko rashin dacewa da zafin jiki na ƙwararrun ma'aikata zai haifar da launin launin fata na baki wanda ya haifar da electroplating.
Red Spinel yana da jan alatu mai kama da ruby, kuma yana da daraja sosai.Tana sanye da rigunan Paparoma na Vatican, da Tsar na Rasha, dan Iran, da kuma kambin Sarkin Daular Burtaniya.
Spinel wani ma'adinai ne wanda ya hada da magnesium da aluminum oxide, saboda yana dauke da magnesium, iron, zinc, manganese da sauran abubuwa, ana iya raba su zuwa nau'i-nau'i, kamar aluminum spinel, iron spinel, zinc spinel, manganese spinel, chrome spinel da dai sauransu. haka kuma.