单词 | conchoidal |
释义 | BETA Examples ofconchoidalDictionary> Examples ofconchoidal conchoidalisn’t in the Cambridge Dictionary yet. You can help! Add a definition The dry samples of this facies give a soapy feel and are brittle, havingconchoidal-like fractures. From theCambridge English Corpus Deposits of this type show no internal structure and, where exposed, weathered surfaces have aconchoidalfracture. From theCambridge English Corpus Pezzottiate is brittle with aconchoidalto irregular fracture, and streaks white. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Charoite is strictly massive in nature, and fractures areconchoidal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mineral is very brittle, and breaks with aconchoidalfracture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mineral is brittle, with an uneven toconchoidalfracture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Conchoidalfracture describes the way in which materials break when they do not follow the natural planes of separation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As these materials lack natural planes of separation,conchoidalfractures occur when they are struck with sufficient force. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This produces microscopicconchoidalfractures as the abrasive rolls about between the two surfaces and removes material from both. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Djurleite is brittle, with aconchoidal(shell-like) fracture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It crystallizes in the trigonal - rhombohedral system and has a white vitreous appearance with aconchoidalfracture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Vlasovite is a brittle mineral, with an irregular toconchoidalfracture, hardness 6 and specific gravity 2.97. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In amorphous solids, by contrast, the lack of a crystalline structure results in aconchoidalfracture, with cracks proceeding normal to the applied tension. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is very brittle, and has aconchoidalfracture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a volcanic glass with aconchoidalfracture (like glass), a resinous lustre, or silky in some cases, and a variable composition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Conchoidalfracture leaves behind very sharp edges when pieces of the rock are sheared off. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Vanadinite is very brittle, producing small,conchoidalfragments when fractured. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has a vitreous luster and aconchoidalto uneven fracture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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