| quartz(noun, mineral, hardness) |
| lucid(adjective, clear, simple, sharp, brilliant) |
| limpid(adjective, clear, thin, plain, straightforward) |
| pellucid(adjective, clear, thin, plain, obvious) |
| crystalline(adjective, clear, thin, shiny, transparent) |
| translucent(adjective, clear, transparent) |
| luminous(adjective, clear, light, bright, plain) |
| glass(noun, adjective, bottle, canteen, jug) |
| clear(adjective, light, sharp, bright, plain) |
| gem(noun, figure, grain, nugget, quartz) |
| transparent(adjective, clear, simple, sharp, brilliant) |
| gemstone |
| ice(noun, crack, water, cold, poison) |
| transpicuous(adjective, clear, simple, sharp, distinct) |
| unclouded(adjective, clear, light, bright, fair) |
| clear-cut(adjective, clear, sharp, distinct, transparent) |
| lucent(adjective, clear, simple, sharp, distinct) |
| cloudless |
| watch glass(noun, expression, idiom) |
| mantle of snow(expression, idiom) |