A striking and showy specimen of blood-red, soft, hair-like, lustrous chalcotrichite needles richy covering both sides of crystallized copper from the famous Emke Mine at Onganja, Namibia. Chalcotrichite is an uncommon, fibrous variety of cuprite. These fine, old-time pieces probably came out in the 1960s or early 70s. 3.3 x 2.6 x 1.7 cm