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 ![]() Charoite is strictly massive in nature, and fractures areconchoidal. From Wikipedia ![]() The mineral is very brittle, and breaks with aconchoidalfracture. From Wikipedia ![]() The mineral is brittle, with an uneven toconchoidalfracture. From Wikipedia ![]() Conchoidalfracture describes the way in which materials break when they do not follow the natural planes of separation. From Wikipedia ![]() As these materials lack natural planes of separation,conchoidalfractures occur when they are struck with sufficient force. From Wikipedia ![]() This produces microscopicconchoidalfractures as the abrasive rolls about between the two surfaces and removes material from both. From Wikipedia ![]() Djurleite is brittle, with aconchoidal(shell-like) fracture. From Wikipedia ![]() It crystallizes in the trigonal - rhombohedral system and has a white vitreous appearance with aconchoidalfracture. From Wikipedia ![]() Vlasovite is a brittle mineral, with an irregular toconchoidalfracture, hardness 6 and specific gravity 2.97. From Wikipedia ![]() In amorphous solids, by contrast, the lack of a crystalline structure results in aconchoidalfracture, with cracks proceeding normal to the applied tension. From Wikipedia ![]() It is very brittle, and has aconchoidalfracture. From Wikipedia ![]() It is a volcanic glass with aconchoidalfracture (like glass), a resinous lustre, or silky in some cases, and a variable composition. From Wikipedia ![]() Conchoidalfracture leaves behind very sharp edges when pieces of the rock are sheared off. From Wikipedia ![]() Vanadinite is very brittle, producing small,conchoidalfragments when fractured. From Wikipedia ![]() It has a vitreous luster and aconchoidalto uneven fracture. From Wikipedia ![]() 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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