Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Spruce Pine’s quartz is so valuable that, as the Vancouver-based journalist Vince Beiser observes in his book “The World in a Grain,” almost everything about it, outside of its purity, is a closely guarded secret.
Source: https://www.newyorker.com/magazine/2023/10/30/the-real-cost-of-plundering-the-planets-resources