Precious stones including diamond, corundum, ruby, sapphire, chrysoberyl, alexandrite, zircon, hyacinth, emerald and beryl. Chromolithograph from Dr....
Children looking at a display case of Gems and Minerals in the Smithsonian National Museum of Natural History.
India, Rajasthan state, Jaipur, Jewelry workshop, Worker polishing emeralds, His fingers are red because of corundum, the crystalline form of...
gemology, ruby a precious gemstone and a variety of the mineral corundum, prized for its vivid red color, vintage illustration - 剛玉 幅插畫檔、美工圖案、卡通及圖標
microgreen sunflower sprouts in female hands raw sprouts, microgreens, healthy eating concept home gardening - 剛玉 個照片及圖片檔
microgreen sunflower sprouts in female hands raw sprouts, microgreens, healthy eating concept home gardening - 剛玉 個照片及圖片檔
Different crystal form of gemstones, diamond, corundum, emerald, amehyst and rock crystal, illustration from 1880.插圖
Corundum, crystalline form of aluminium oxide containing traces of iron, titanium, vanadium and chromium, found in Mysore, India on white background.特寫
People inspect the single natural corundum named 'Queen of Asia', considered the largest found in the world, in Horana, some 45 km from Colombo on...
People inspect the single natural corundum named 'Queen of Asia', considered the largest found in the world, in Horana, some 45 km from Colombo on...
Owner of the single natural corundum named 'Queen of Asia' , considered the largest found in the world, Chamila Suranga, poses for pictures in...
