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There is a page named "Category:Copper" on Wikipedia
- Wikimedia Commons has media related to Copper....63 members (7 subcategories, 0 files) - 14:31, 15 April 2021
- media related to Copper compounds. For chemical compounds containing copper. For an alternative listing please see inorganic_compounds_by_element#Copper....36 members (6 subcategories, 0 files) - 22:44, 21 September 2023
- Minerals containing the chemical element copper. Wikimedia Commons has media related to Copper minerals....74 members (4 subcategories, 0 files) - 19:16, 21 September 2019
- Wikimedia Commons has media related to Copper mining. Wikisource has the text of the 1879 American Cyclopædia article Copper Mines....21 members (5 subcategories, 0 files) - 22:34, 6 July 2018
- Commons has media related to Copper mines in Australia. Australia portal This category refers to current and historical copper mining companies and mines...8 members (5 subcategories, 0 files) - 11:32, 12 September 2019
- Queensland portal For current copper mines - associated activities and former mines in Copper mining......10 members (0 subcategories, 0 files) - 11:32, 12 September 2019
- Copper Age—Chalcolithic Europe — also known as the Eneolithic Age....14 members (4 subcategories, 0 files) - 18:05, 25 May 2019
- This category groups enzymes that use copper as a cofactor in their catalysis....32 members (0 subcategories, 0 files) - 16:03, 7 April 2013
- Wikimedia Commons has media related to Copper mining by country. Copper mining by country....9 members (8 subcategories, 0 files) - 16:50, 17 August 2023
- Wikimedia Commons has media related to Copper containing alloys....70 members (4 subcategories, 0 files) - 18:40, 20 July 2016
- Wikimedia Commons has media related to Copper mines....6 members (1 subcategory, 0 files) - 03:47, 28 March 2013
- Wikimedia Commons has media related to Copper mines in South Africa. Copper mines in South Africa....2 members (0 subcategories, 0 files) - 16:44, 10 October 2016
- Aluminium–copper alloys are an important group of the aluminium alloys, where copper forms a small, but significant, proportion....16 members (0 subcategories, 0 files) - 18:30, 19 February 2023
- Wikimedia Commons has media related to Copper sculptures....9 members (1 subcategory, 0 files) - 05:14, 5 March 2016
- Extraction and production of copper...11 members (3 subcategories, 0 files) - 01:51, 9 August 2018
- Money portal Numismatics portal Wikimedia Commons has media related to Copper coins....13 members (0 subcategories, 0 files) - 19:04, 7 September 2019
- Wikimedia Commons has media related to Copper complexes....13 members (0 subcategories, 0 files) - 07:54, 4 January 2022
- Africa portal Copper mining in Africa....9 members (5 subcategories, 0 files) - 11:32, 12 September 2019
- Copper mines in Zambia....12 members (0 subcategories, 0 files) - 16:46, 10 October 2016
- Wikimedia Commons has media related to Category:Oil on copper paintings....24 members (0 subcategories, 0 files) - 00:18, 13 November 2024
- Chemical elements » Transition metals » Copper This category concerns the topic: terms related to copper. This category contains no dictionary entries
- transparent sugar crystals? Could perhaps work but not sure how to make them. Are copper sulphate crystals made through electrolysis? Could that possibly indicate