Definition of pigeonite in English:

pigeonite

noun ˈpɪdʒ(ə)nʌɪt

mass noun

A calcium-poor pyroxene mineral occurring chiefly in basalt.
Example sentencesExamples
- Orthopyroxene forms in primitive (high-MgO) basalts but as differentiation proceeds, it is replaced by pigeonite once the enstatite component falls below 60 to 70 atomic percent.
- Various factors, including magma composition, control whether orthopyroxene or pigeonite occurs as the low-Ca pyroxene, but high temperatures yield orthopyroxene and low-pressure crystallization favours pigeonite.
- This contrasts with the first-order character for the HT phase transition in pigeonite containing significantly less calcium.
- There appear to be a number of different possible mechanisms for the pigeonite - orthopyroxene transformation.
- Pigeonite is the orthorhombic pyroxene equivalent in the volcanic rocks.

Origin

Early 20th century: named after Pigeon Point, Minnesota, + -ite¹.

单词	pigeonite
释义	Definition of pigeonite in English: pigeonite noun ˈpɪdʒ(ə)nʌɪt mass noun A calcium-poor pyroxene mineral occurring chiefly in basalt. Example sentencesExamples Orthopyroxene forms in primitive (high-MgO) basalts but as differentiation proceeds, it is replaced by pigeonite once the enstatite component falls below 60 to 70 atomic percent. Various factors, including magma composition, control whether orthopyroxene or pigeonite occurs as the low-Ca pyroxene, but high temperatures yield orthopyroxene and low-pressure crystallization favours pigeonite. This contrasts with the first-order character for the HT phase transition in pigeonite containing significantly less calcium. There appear to be a number of different possible mechanisms for the pigeonite - orthopyroxene transformation. Pigeonite is the orthorhombic pyroxene equivalent in the volcanic rocks. Origin Early 20th century: named after Pigeon Point, Minnesota, + -ite¹.
随便看	without an intermediary without an interruption without an ounce of fat without any exaggeration without anyone knowing without a partner without a pause/break without a penny (to one's name) without a penny to one's name without a red cent without arms without a roof over one's head without a scratch without a settled home without a shot in one's locker without a solution without a sou without a spouse without assistance without a stitch on without a vote without a wife without a word of a lie without basis without batting an eye