| 单词 | greenockite |
| 例句 | Previous to the recent discovery in Sardinia of cadmium oxide as small octahedral crystals, greenockite was the only known mineral containing cadmium as an essential constituent. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" 2011-12-05T03:00:51.527Z The zinc oxide minerals in the surficial zone also are sometimes colored yellow by small amounts of greenockite. The Economic Aspect of Geology Cadmium occurs in nature as cadmium sulphide in greenockite, CdS, which is very rare. A Text-book of Assaying: For the Use of Those Connected with Mines. It occurs in combination with sulphur in greenockite, and in some ores of zinc. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Nearly the only cadmium mineral known is the sulphide, greenockite, but no deposits of this mineral have been found of sufficient volume to be called cadmium ores. The Economic Aspect of Geology Sphalerite almost always contains a little cadmium, probably as the sulphide; and in zinc deposits crystals of sphalerite in cavities are frequently covered with a greenish-yellow film or coating of greenockite. The Economic Aspect of Geology |
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