- Cyanotrichite, Malachite
- Maid of Sunshine Mine, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA
- Small Cabinet, 6.2 x 5.2 x 4.4 cm
Cyanotrichite is an uncommon copper sulfate found in the oxidation zone of copper ore bodies. This rich and very colorful layered specimen has tiny, acicular, radiating, powder-blue to royal-blue cyanotrichite needles with contrasting green malachite in gossan matrix. This fine, old piece from the Maid of Sunshine Mine of Arizona.