Azurite and Malachite from Blue Grotto prospect, La Sal, La Sal Mining District, La Sal Mountains, San Juan Co., Utah, USA – first grade quality for this Azurite mined in Utah, were the Blue Grotto is well-known for producing some of the most beautiful azurite for any locality outside of Arizona – this specimen show us an aesthetic and well formed nodule composed by sharp and lustrous Azurite crystals with electric blue color; the beauty of this piece is accentuated by a bright green malachite area on contrasting the matrix- overall size 4,3x3x2,2 cm.