RARE Allophane Medium Specimen Palm Stone Please select SMALL BOX SHIPPING

Please select SMALL BOX SHIPPING for this item

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RARE Allophane Medium Specimen Palm Stone Please select SMALL BOX SHIPPINGRare 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. 9. 7cm x 4. 2cm x 2cm. Pictured in a 10cm x 10cm x 6cm acrylic display box. A rare and unique specimen for any fine mineral collector. Please