U+1F721 Alchemical Symbol for Iron-Copper Ore
U+1F721 wurde in Version 6.0 in 2010 zu Unicode hinzugefügt. Er gehört zum Block
Dieses Zeichen ist ein Other Symbol und wird allgemein verwendet, das heißt, in keiner speziellen Schrift.
Das Zeichen ist keine Zusammensetzung. Es hat keine zugewiesene Weite in ostasiatischen Texten. In bidirektionalem Text handelt es als Other Neutral. Bei einem Richtungswechsel wird es nicht gespiegelt. Das Wort, das U+1F721 mit ähnlichen Zeichen bildet, verbietet in sich Zeilenumbrüche.
Die Wikipedia hat die folgende Information zu diesem Codepunkt:
Chalcopyrite ( KAL-kə-PY-ryte, -koh-) is a copper iron sulfide mineral and the most abundant copper ore mineral. It has the chemical formula CuFeS2 and crystallizes in the tetragonal system. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale. Its streak is diagnostic as green-tinged black.
On exposure to air, chalcopyrite tarnishes to a variety of oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), digenite (Cu9S5); carbonates such as malachite and azurite, and rarely oxides such as cuprite (Cu2O). It is rarely found in association with native copper. Chalcopyrite is a conductor of electricity.
Copper can be extracted from chalcopyrite ore using various methods. The two predominant methods are pyrometallurgy and hydrometallurgy, the former being the most commercially viable.
Darstellungen
System | Darstellung |
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Nr. | 128801 |
UTF-8 | F0 9F 9C A1 |
UTF-16 | D8 3D DF 21 |
UTF-32 | 00 01 F7 21 |
URL-kodiert | %F0%9F%9C%A1 |
HTML hex reference | 🜡 |
Falsches windows-1252-Mojibake | 🜡 |
Kodierung: GB18030 (Hex-Bytes) | 95 30 9B 35 |
Anderswo
Vollständiger Eintrag
Eigenschaft | Wert |
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6.0 (2010) | |
ALCHEMICAL SYMBOL FOR IRON-COPPER ORE | |
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