- Cyanotrichite, Malachite
- Small Cabinet, 6.2 x 5.2 x 4.4 cm
- Maid of Sunshine Mine, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA
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.