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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 ralstonite
 氟鈉鎂鋁石

From: Webster's Revised Unabridged Dictionary (1913)

 Ral·ston·ite n.  Min. A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals.
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