Malachite, Gypsum (Var: Selenite)
Small Cabinet, 6.1 x 4.7 x 3.8 cm
Apex Mine (Dixie Mine; Utah-Eastern Mine; Dixie-Apex; Pen), Jarvis Peak, Tutsagubet District, Beaver Dam Mts, Washington Co., Utah, USA

Now here is a rare American pseudomorph! What you have is tan-colored, sheety selenite that has been pseudomorphed by forest-green malachite. In places, small hollow "fingers" have formed. A unique Utah specimen you just do not see on the market.