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Seen from orbit, the planet was a shiny onyx marble covered in overlapping spiderwebs of pulsating light.

Stalagmite sheets are sometimes composed of variegated, laminated layers, and when polished produce a beautiful decorative stone which passes under the name of onyx marble.

Important mines of gold and silver, considerable deposits of wolframite, valuable ores of molybdenum and vanadium, and quarries of onyx marble, are also worked.

The onyx marble mantel-piece contained but a single ornament—an orchestra.