单词 | Mohs scale |
例句 | It is a hard stone — registering 8 on the 10-point Mohs scale of hardness, just below ruby and sapphire — making it suitable for setting in a ring. Special Report: Jewelry: Restoring the Luster to a Once-Loved Gem 2011-05-12T13:49:21Z These minerals are shown in Figure 2.18, with the Mohs scale of hardness along the bottom axis. Physical Geology 2015-01-01T00:00:00Z Their incisors rank at 5.5 on the Mohs scale, which geologists use to measure minerals’ hardness; for comparison, iron scores around 5.0. The Secret Lives of New York City Rats 2016-09-12T04:00:00Z “A diamond is a 10 on the Mohs scale,” he told Ms. Kaprovksy, referring to the scale of mineral hardness, when making his case for buying the real thing. Your Money: With Engagement Rings, Love Meets Budget 2014-02-01T00:48:33Z On the Mohs scale, which measures minerals’ hardness from 1 to 10, corundum ranks at 9. Diamonds Not Forever as Royal Kate Leads Way With Sapphire Ring 2011-05-31T04:43:30Z Figure 2.18 Minerals and reference materials in the Mohs scale of hardness. Physical Geology 2015-01-01T00:00:00Z |
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