- tetragonal trapezohedral class
- 正方偏形半面类
English-Chinese geology dictionary (英汉地质大词典). 2013.
tetragonal trapezohedral class
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Wardite — is a hydrous sodium aluminium phosphate hydroxide mineral with formula: NaAl3(PO4)2(OH)4·2(H2O). Wardite is of interest for its rare crystallography. It crystallizes in the tetragonal trapezohedral class and is one of only a few minerals in that… … Wikipedia
square — Synonyms and related words: Babbitt, Little Joe, Methuselah, Middle American, Philistine, T square, aboveboard, absolutely, accommodate, accord, accordant, account with, accurate, accurately, adapt, adipose, adjust, agora, agree, agree with,… … Moby Thesaurus
