The building's facade was covered with continuous glass windows along with alternating azure and aquamarine porcelain spandrels.
en.wikipedia.org The production of aquamarine, beryl, niobium (columbium), tantalum, and tourmaline was estimated to have decreased by nearly 14% in 2006.
en.wikipedia.org These include peridot, aquamarine, topaz, ruby, emerald, rare-earth minerals bastnaesite and xenotime, sphene, tourmaline, and many varieties and types of quartz.
en.wikipedia.org The difference between beryl, aquamarine, and emerald is determined by the colouring and the peculiar shade of each.
en.wikipedia.org Chitin color differs between males and females, being blue for the males and aquamarine for females, deepening to purple in old age.
en.wikipedia.org