artificial gemの例文

例文

1. Kelley experimented with several formulas and processes for making synthetic artificial gems.
2. :Artificial gem diamonds aren't " identical " to natural gem diamonds.
3. His work was in great demand at the court of King Louis XV of France, and he controlled a large market for artificial gems.
4. As reported by editor Ruth Berman ( issue # 1, " Inside Star Trek ", July 1968, pp . 15 16 ), " ardent rock hound and amateur lapidary " Roddenberry came up with the Vulcan philosophy after he presented Leonard Nimoy with a unique " hand-crafted piece of jewelry ", a " pendent " ( sic ) of polished yellow gold ( circle ) and florentined white gold ( triangle ), with a stone of brilliant white fabulite an artificial gem " developed by the laser industry and used in space mechanisms for its optical qualities ", and thus well-suited as a gift for an actor in a science fiction show.