Bertrandite, perfect lucent terminated unique crystals of this ultra rare berillium silicate in crystals till 2,5 cm associated with shorl . Size 7 x 4 x 3 cm
Bertrandite, perfect lucent terminated unique crystals of this ultra rare berillium silicate in crystals till 2,5 cm associated with shorl . Size 6 x 4 x 3 cm
Bertrandite, perfect lucent terminated unique crystals of this ultra rare berillium silicate in crystals till 1,5 cm associated with shorl . Size 4x3x3 cm
Absolutely extraordinary specimen with a perfect crystallization and museum dimensions.The specimen also exhibits strong fluorescence under shortwave ultraviolet light.Size 6x6x4 cm, Weight 280 g
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.
Prismatic Childrenite crystals, with very well defined faces and edges, some of them doubly terminated, translucent, lustrous, with spheroidal Roscherite on a Quartz matrix.
Size 5 x 6 x 3 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
Showy deep blue Cornetite crystals on white matrix . Super aesthetic. From type locality. The piece come from a Geologist collection who worked at that mine in 1975- 1980. Size 8x6x3 cm
Showy deep blue Cornetite crystals on white matrix . Super aesthetic. From type locality. The piece come from a Geologist collection who worked at that mine in 1975- 1980. Size 17x15x5 cm
Very rich piece with red crystals, type locality saneroite, astrophyllite and a large crystal of aegirine . Rare occurrence from an uncommon locality . 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 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 10x6 cm
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
Very intersting piece from an old German collection, froma classic defunct locality of the Alps , very rare on the present market. 1980. Size 15x9x6 cm
Un pezzo di grande interesse dalla collezione Lattuada con cartellino originale della Bottega delle pietre, Milano. Cristallo con la classica lucentezza e fortemente fluorescente, 2 cm . Di difficile reperimento nel mercato attuale. il cristallo è completo nella parte frontale, ma la parte posteriore è incompleta per la chiusura della geode di galena,...