Specimen from the original collection of one of the discoverers of this ultra rare mineral species. Orange crystalline masses richly coating black quartz/hematite ore NaMn2+5[Si5As5+O17(OH)](OH) Type and only locality, (IMA 2013-093). Size:1x0,7 cm.
A recent new find from Monte Arsiccio in Tuscany: coquimbite in big crystals , very high quality for this species, on a white Halotrichite matrix associated with Roemerite. Among the best ever seen for this rare species
size 5x4x3 cm
Nice group of hopeite crystals of dark orange-brown color from a defunct locality . Hopeite crystals are well developed and associated to transparent micorcvrystals of parahopeite . Pictures taken with white led light and halogen lamp .The specimen come from a Geologist collection who worked at that mine in 1975- 1980. Size 3x2x1 cm
Nice group of hopeite crystals well developed and associated to transparent micorcvrystals of parahopeite. in one broken crystal is clearly visible the white "core" of hopeite , surrounded and partialle replaced by a crust of parahopeite Pictures taken with white led light and halogen lamp .The specimen come from a Geologist collection who worked at...
Nice group with lucent parahopeite crystals of dark orange-brown color due to iron staining pseudomorph of hopeite from defunct locality . The piece come from a Geologist collection who worked at that mine in 1975- 1980. Size 9x6x2 cm
A piece of great interest from the Lattuada collection with original Label from the Bottega delle Pietre, Milan.Crystal with the classic luster and strongly fluorescent, 2 cm. Difficult to find in the current market. the crystal is complete in the front part, but the back is incomplete due to the closure of the galena geode,
size 5x5x3 cm
In the mid-1970s a cavern encountered on the 430-meter level of the X orebody, was encrusted with botryoidal and stalactitic vanadinite. SEM investigation has shown alternating layers of dark vanadinite with narrow layers of yellow descloizite. An extremely rare, unique occurrence . The descoizite is fluorescent under LW UV. Size 8x6x3 cm