Vauxite (outstanding color!) Sphalerite sharpness and translucency with golden

sharpness and translucency with golden Siderite and sitting on wonderfully contrasting

I feel that we can safely pack and ship the specimen

and obtaining specimens is next to impossible because miners rarely bring out anything for sale

A very impressive and certainly hard to find GEM quality Cassiterite specimen from the famous Viloco Mine

but the color and form make it a worthwhile thumbnail of this classic material

Vauxite (outstanding color!) Sphalerite sharpness and translucency with goldenA remarkable, very well crystallized, OUTSTANDING blue color, ridiculously rare specimen consisting of radiating crystal aggregates of Vauxite on clay matrix. I have photographed the crystals under the microscope to show that they are truly terminated crystals and not just a blue mass. I must point out that these crystals of Vauxite show the most electric neon blue color that I've seen for the species, but it appears that the rich color is due to a