San Antonio Mine, Santa Eulalia District,  Chihuahua, Mexico - Nice coating of smithsonite crystals up to 0.4-0.5 cm. Bright light blue color. Overall size is 5x2x1.5 cm

San Antonio Mine, Santa Eulalia District,  Chihuahua, Mexico - Coating of globular smithsonite crystals ! Nice ligh blue color ! On the back of the rock a lot of 1-3 mm hemimorphites ! Overall size is 4x3x2 cm

San Antonio Mine, Santa Eulalia District,  Chihuahua, Mexico - Nice coating of smithsonite crystals up to 0.5 cm in size ! Bright light blue color ! Overall size is 4.5x2.5x1 cm

Grotta d'Oggi, San Piero, Isola Elba, Livorno, Italy - An old and very peculiar specimen since there are several 2-4 mm spessartines located on the faces of the feldspar crystals partly covered by waterclear quartz crystals. Nice specimen of 4.5x2.5x2.5 cm in size

Darrah I Pech, Chapa Dara District, Kunar Province, Afghanistan - Lustruous tantalite crystal of 1x0.7 cm shows greatly on this rock. The crystal is fully terminated. No damage. Overall size is 3x2.8x2.6 cm

Merelani Hills, Arusha Region, Tanzania - A single crystal of tanzanite with a faint brown colour and graphite inclusions within. When viewed side on it displays the more typical blue/purple colour. Overall size is 1.5x0.7x0.4 cm

Cavnic Mine, Cavnic, Romania - A very nice specimen of manganocalcite with a complex twinned crystal of tetrahedrite of 1 cm on the edge ! Very nice specimen of 3x2.7x1.7 cm in size

Juab Co., Utah, USA - A super thumbnail ! On a small piece of matrix with several topaz crystals, up to 0.5 cm, there is a super biterminated topaz gem crystal 2.5 cm long ! No damage ! In addition there is a great bright black bixbyite crystal close to it. A very esthetic thumbnail of 2.8x1.5x1.3 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.

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.