Brilliant sharp striated cubic crystals of pyrite to 1.8 cm on edge across the top of this lustrous black sphalerite crystal matrix with quartz. The sphalerite crystals measure to 1.2 cm in size. This is in very good condition with only minimal micro-chipping to some of the quartz crystals at the far lower right side of the piece. Overall size is 6.0 x 5.0 x 2.0 cm. Ex D. Weinrich collection.

Uchuchaccua Mine, Oyon, Peru - 3.5cm wide exposed portion of a vug with translucent pink Rhodochrosite crystals. Good undamaged crystals to 1 cm in size ! There are a lot of crystals here, more than 2 dozens crystals !! These are great Rhodo specimens that are no longer common and currently still a great value. Overall size is 7 x 6 x 5.5 cm. Weight is 380 gr.

UCHUCHACUA MINE, LIMA DEPT., PERU - Bright pink rhodocrosite crystals show up on this specimen. The crystals size is up to 1.1 cm. Overall size is 6x3.5x3 cm.

Uchuchaccua Mine, Oyon Prov., Peru - This specimen hosts a scalenohedral, translucent Rhodochrosite crystals to 1cm from this famous and now closed silver mine. The crystal has a great color and a very nice display ! Overall size is 2.2 x 1.5 x 1.2 cm

Uchucchacua Mine, Oyon Province, Lima Department, Peru - A super rhodoscrosite specimen ! This rock hosts a biterminated rhodocrosite crystal of 1.6x1 cm in size ! Great color ! The crystal is gemmy ! Overal size is 2.7x2x2 cm

Uchuchaccua Mine, Oyon, Peru - 3 cm wide exposed portion of a vug with translucent pink Rhodochrosite crystals. Good undamaged crystals to 1 cm in size ! nice termination on the main crystals,  contacts on the smaller crystals. Nice for the locality. Overall size is 6x3.3x2 cm.

Uchuchaccua Mine, Oyon, Peru - Shimmering translucent red Rhodochrosite crystals on matrix. There are a dozen crystals to 0.5-0.6 cm in size! great color ! These are great Rhodo specimens that are no longer common and currently still a great value. Overall size is 5 x 5 x 4.5 cm. Weight is 150 gr

Ibitiara, Bahia, Brazil - parkling crystals of hematite throughout this crystallized quartz matrix, the quartz with inclusions and scattering's of yellowish rutile. Measures 6.5 x 4.0 x 2.0 cm.

Uchucchacua Mine, Oyon Prov., Peru - Wires of native Silver rising up to 1 cm on matrix. Small but nice specimen ! Overall size is 1.7 x 1.6 x 0.7 cm

SAN ANTONIO MINE, S.ELALIA, MEXICO - Nice coating of millimettric bright light blue smithsonite crystals. Overall size is 6x3.5x1.5 cm