DescriptionBoraxcrystals.jpg English: Boraxcrystals from Kramer, California, USA. Photograph taken at the Natural History Museum, London. Español: Cristales
DescriptionCrystal of borax (Na2B4O7).jpg English: Crystal of borax (Na2B4O7) observed with an optical microscopy Date 12 December 2017, 17:14:06 Source
DescriptionPSM V21 D366 Crystal of native borax from borax lake.jpgCrystal of native borax from Borax lake Date 1882 Source Popular Science Monthly Volume