Brumado, Bahia, Brazil - A nice uvite crystal shows on this quartz and magnesite matrix. The uvite has a great green color and it is 0.9 cm in size. The crystal is gemmy and is very esthetic. Overall size is 3x2x1.5 cm

Colavi Mine, Colavi subdistrict, Potosí, Bolivia - A very good example of the very rare Antimony Oxide, Valentinite. The specimen has sharp prismatic crystals of Valentinite atop massive Galena up to 0.6 cm. Minor chips here and there, but still a good example of a very rare species. Overall size is 2.1 x 2.0 x 1.7 cm.

Tomokoni mine, Machacamarca, Potosi, Bolivia - Sharp deep green vivianite crystal with siderite. In very good  condition. Size: 4.0 x 2.5 x 1.5 cm.

San Antonio Mine, Santa Eulalia District,  Chihuahua, Mexico - A slightly translucent bluish green double terminated undamaged crystal of vivianite 1.0 cm in length perched nicely upon this 3.5 x 2.0 x 1.5 cm matrix. Ex Chris & Agatha Galas collection, Ex Dan Weinrich collection.

Huanuni mine, Dalence Province, Potosi  Department, Bolivia - Deep blue translucent thin prismatic crystal grouping of vivianite measuring 4.0 x 1.5 x 0.5 cm. Ex Chris & Agatha Galas collection.

Eruption mine,Los Lamentos, Chihuahua, Mexico - Nice orange wulfenite crystals on matrix. The color is bright orange and the main crystal is 1x0.8x0.8 cm in size. Overall size is 3.5x3x2.5 cm

Ojuela mine, Mapimi, Durango, Mexico - Nice and rapresentative specimen from this known locality. There are various wulfenite crystal, bipiramidal in shape up to 1 cm in size. Nice bright orange color ! Ovberall size is 3.5x2x1.9 cm 

Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico - Esthetic wulfenite specimen with several bright orange crystals up to 1.5 cm in size ! Showy thumbnail !Overall size is 2x1.2x1 cmOjuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico - Esthetic wulfenite specimen with several bright orange crystals up to 1.5 cm in size ! Showy thumbnail !Overall size is 2x1.2x1 cm

San Francisco Mine, La Trinidad, Sonora, Mexico - Bright yellow wulfenite crystals forming a nice, undamaged floater specimen. The specimen is completely covered by wulfenite crystals up to the size of 0.7 cm ! There are hundreds of crystals here !Overall size is 4 × 3 × 1 cm.

La Morita mine, Chihuahua, Mexico - Nice wulfenite crystals with nice orange color show up on this rock. The wulfenites are nicely located on the carbonate matrix and the largest wulfenite is 1.4 cm on the edge ! there are a lot of other wulfenites all around ! there are more than a dozen crystals here ! Overall size is 3.5x3x2.4 cm. Weight is 45 gr.