8fbjtir ((VAUXITE, PARAVAUXITE)), $10 MINIMUM BID, Siglo Veinte Mine, Llallagua, Potosi, Bolivia, 2.3 x 2.1 x 1.7 cm, Thumbnail, | |
Light blue crystals of the rare phosphate Vauxite and light green crystals of the rare phosphate Paravauxite. Mounted in a thumbnail perky box with elmers glue which is soluble in water. |