RARE Allophane Small Specimen Out of stock This piece also contains crystals

This piece also contains crystals of white Calcite which is UV reactive and glows bright orange/pink under a UV light

medium-sized bowl/dish carved from high grade

Very rare Dioptase crystals on matrix rock

it is perfect for cutting and polishing into several jeweller's grade cabochons or to be admired in its natural beauty as a collector's specimen

RARE Allophane Small Specimen Out of stock This piece also contains crystalsRare Allophane is made up of aluminum, silica, and water and is described as a clay mineral. It is created when other aluminosilicates, like feldspar, break down due to weathering or hydrothermal alteration and can be many colours like this bright blue hue. Sourced from Guizhou, China. Specimen measures approx. 4. 5cm x 3. 7cm x 1. 2cm. Pictured in a 5. 2cm x 5. 2cm acrylic display box. A rare and unique specimen for any fine mineral collector. Please