DescriptionPotassium feldspar 10.jpg English: A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical...
DescriptionHuge potassium feldspar crystal (Ruggles Pegmatite, Devonian; Ruggles Pegmatite Mine, southern New Hampshire, USA) (15669755939).jpg Huge potassium feldspar...
DescriptionLarge potassium feldspar crystal in pegmatitic granite (Ruggles Pegmatite, Devonian; Ruggles Pegmatite Mine, New Hampshire, USA) 2 (8291628446).jpg Huge...
DescriptionLarge potassium feldspar crystal in pegmatitic granite (Ruggles Pegmatite, Devonian; Ruggles Pegmatite Mine, New Hampshire, USA) 1 (8291628718).jpg Huge...
user ID: 47445767@N05 author name string: James St. John publication date: 10 December 2019 described at URL: https://www.flickr.com/photos/jsjgeology/49200364106/...
name string: James St. John Flickr user ID: 47445767@N05 publication date: 10 December 2019 described at URL: https://www.flickr.com/photos/jsjgeology/49200495888/...
flickr.com/people/47445767@N05 Flickr user ID: 47445767@N05 publication date: 10 December 2019 described at URL: https://www.flickr.com/photos/jsjgeology/49199871353/...
St. John URL: https://www.flickr.com/people/47445767@N05 publication date: 10 December 2019 described at URL: https://www.flickr.com/photos/jsjgeology/49200987866/...
user ID: 47445767@N05 author name string: James St. John publication date: 10 December 2019 described at URL: https://www.flickr.com/photos/jsjgeology/49201189712/...
47445767@N05 URL: https://www.flickr.com/people/47445767@N05 publication date: 10 December 2019 described at URL: https://www.flickr.com/photos/jsjgeology/49200495723/...