Malachite
Dark green shiny malachite crystals up to 7 mm from the Betzdorf, Germany deposit. A historical specimen from this location […]
Cuprite (chalcotrichite)
Historical specimen of a growth of ruby-red cuprite approximately 2 × 1 cm in size .
Manganite
Rich sample of black radial acicular Ilmenite, which forms several thick prismatic crystals into the cavity. Nice Manganite from the […]
Churchite-(Y)
Bílé částečně radiální agregáty vzácného fosfátu yttria z dolu Leonie v Auerbachu.
Bismuth
Stříbřitě bílé keříčkovité agregáty vysoce lesklého ryzího bismutu z klasického německého naleziště Pöhla.
Polydymite
Metallic black tarnished grains of the rare nickel sulfide from the Altendorf locality.
Silver
Loose clusters of silver wires sealed between two watch glasses. A curiosity from the German locality of Schneeberg from 1958. […]
Celestite
Beautiful celestine from the German locality Ruderdorf. Perfect glossy celestine crystals in a marble cavity.
Crocoite
Growth of orange-red crocoite crystals up to 2 mm in size.
Dolomite, quartz
Quartz druse covered with beige rhombohedra of dolomite from the well-known Saxon district .
Silver
Rich specimen of bushes and “bouquets” of pure silver in contrasting black arsenic from the historical Ore Mountains locality.
Hagendorfite
Black border of hagendorfite around green triphylite in association with red apatite from the type locality of this rare phosphate. […]