DescriptionGraphite (Ceylon) 19.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 11.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 14.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 13.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 12.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 29.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite (Ceylon) 15.jpg English: Graphite from Ceylon (Sri Lanka). A mineral is a naturally-occurring, solid, inorganic, crystalline substance...
DescriptionGraphite with pyrite nodule (Ceylon) 2.jpg English: Graphite with pyrite nodule from Ceylon (Sri Lanka). A mineral is a naturally-occurring...
19 August 2015 English Flickr user ID: 126377022@N07 author name string: Internet Archive Book Images URL: https://www.flickr.com/people/internetarchivebookimages/...
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