regions of semiconductor material with different doping levels


Conch fishing industry (economic activity)


enclosed space for holding or storing something


Molecules used for targeting and binding


World Jewellery Confederation (organization)


Grouping of stars and other celestial objects


small metal beads used to adjust ring size


familiar figure in English, German and French ghost stories


type of process involved in the formation of fault breccias


Structurally different forms of the same element


legendary ghost of the German Hohenzollern dynasty


factor that enhances aluminium absorption


type of chemical element concentration difference


Process for evaluating the quality of diamonds


Method for determining the ideal shape and arrangement of diamond facets


technique involving scratching through a layer of coloured slip


gaseous layer surrounding a planet or moon


former name of the National Theatre of Greece


geographical region and historical period


Name of the largest and most famous red diamond


United States Federal Trade Commission (organization)


Aspect of a diamond's shape and appearance


historical event or global health crisis


process of granulation, crushing, or milling


remains or impression of ancient organism


Arrangement of facets on a diamond crystal


painting attributed to Leonardo da Vinci


Property of a diamond's material properties


device or material used to block or absorb radiation


Visual display of light and charged particles in the upper atmosphere


material used in shipping to stabilize the vessel


Language and cultural heritage of the ancient Scandinavians


psychological therapy and self-care technique


period of the Bronze Age to Iron Age transition


technique for applying glazes to ceramics


editor of the German astronomical journal Monatliche Correspondenz


regions of elements on the periodic table


Government Organisation, City, Metropolitan Area


Optical, Electrical, and Magnetic Properties


Magnification device used to examine diamonds


process of heating ceramics to high temperatures


combined technique involving slip and scratching


Visual display of light and water droplets in the air


person with skill in using a bow and arrow


United Nations Educational, Scientific and Cultural Organization


Killing behavior, Time period, Bird species


Excessive artificial light in urban areas that affects visibility and astronomy


geographic region or administrative division


Properties of functionalized nanoparticle catalysts


Materials used in high-performance technologies


Visible masses of water droplets or ice crystals in the atmosphere


Historical district and geographical region


Environmental condition, Environmental feature


Layer of rock and minerals covering a planet's surface


Private hospital specializing in cancer care


upper-body garment with long outer skirt


Wildlife group, Wild animal species, Environmental feature


Components of the human body (blood cells)


Professionals who assess the quality of diamonds


processes involved in the formation of rocks


Star that is the primary source of light and heat for a planet


specific type of coin used for metal investment


Style or design guides for shaping diamonds


Proteins and nucleic acids in living organisms


processes involved in the formation of fault rocks


constituent country of the United Kingdom


Introduced species (rodents, carnivores)


Air pollution caused by human activities in urban areas


cause or reason for the formation of fault breccias


phosphides, silicides, nitrides, carbides, and arsenides


Gemological Institute of America and World Jewellery Confederation (organizations)


Intensity Grading System for Diamond Colors


Gemological Institute of America (organization)


low-lying area between hills or mountains


scheme for categorizing cataclastic rocks


Mollusk species (biological classification)