Capelinha, Minas Gerais, Brazil. Transparent sharp gem Topaz crystal set upon a matrix of crystallized white albite and silvery muscovite. Yunu Village, Shigar, Gilgit division, Pakistan. Bright green platy crystals of Torbernite on matrix. Musonoi Mine, Shaba, Zaire.
White areas are nahcolite alteration.
Yellowish Tsumcorite crystals to 1.5 mm in length. Tsumeb Mine, Tsumeb, Namibia. Albite hosting a 1.2 cm mass of partially gem quality Tugtupite . Yellow Tyuyamunite crystals 1 mm in size. Marie Mine, Carbon Co., Montana.