# Chalcopyrite, Quartz, Siderite. Friedrich Wilhelm mine, Herdorf, Westphalia, Germany-8890

- By: Raimond Spekking
- Date: 2023-03-11
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Chalcopyrite,_Quartz,_Siderite._Friedrich_Wilhelm_mine,_Herdorf,_Westphalia,_Germany-8890.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/f/fb/Chalcopyrite%2C_Quartz%2C_Siderite._Friedrich_Wilhelm_mine%2C_Herdorf%2C_Westphalia%2C_Germany-8890.jpg/1920px-Chalcopyrite%2C_Quartz%2C_Siderite._Friedrich_Wilhelm_mine%2C_Herdorf%2C_Westphalia%2C_Germany-8890.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Chalcopyrite, Quartz, Siderite - Place of discovery: Friedrich Wilhelm mine, Herdorf, Siegerland, Westphalia, Germany