单词 | heulandite |
释义 | heulandite Min.|ˈhjuːləndaɪt| [Named 1822 after H. Heuland, an English mineralogist: see -ite1.] A mineral of the Zeolite group; a hydrated silicate of aluminium and calcium, found in crystals of various colours with pearly lustre.
1822Edin. Phil. Jrnl. VI. 112 The Stilbite and the Heulandite. 1852Brooke & Miller Phillips' Min. 439 Heulandite belongs to the anorthic system. 1868Dana Min. (ed. 5) 445 Heulandite occurs principally in amygdaloidal rocks. |

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