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sardius

Sardius vs Onyx - What's the difference?

sardius | onyx |


In mineralogy|lang=en terms the difference between sardius and onyx

is that sardius is (mineralogy) sard while onyx is (mineralogy) a banded variety of chalcedony, a cryptocrystalline form of quartz.

As nouns the difference between sardius and onyx

is that sardius is (mineralogy) sard while onyx is (mineralogy) a banded variety of chalcedony, a cryptocrystalline form of quartz.

As an adjective onyx is

jet-black.

Sardius vs Chrysolite - What's the difference?

sardius | chrysolite |


As nouns the difference between sardius and chrysolite

is that sardius is (mineralogy) sard while chrysolite is (mineral) originally, any of various green-coloured gems; later specifically peridot.