Malachite
Dark green shiny malachite crystals up to 7 mm from the Betzdorf, Germany deposit. A historical specimen from this location […]
Celestine, Calcite
A contrast aesthetic smaller specimen of the dominant intensely blue 22 mm large crystal of celestine together with scalenohedral calcite. […]
Harmotome, quartz, calcite
Double-sided quartz druse with up to 7 mm sized rhombohedral calcite crystals growing on it. Subsequently, the specimen, especially from […]
Amethyst, dolomite
An aesthetic large specimen of pinkish dolomite crystals with light amethyst scepter crystals, so-called “pigeon eggs”. The specimen is composed […]
Amethyst, calcite
Irregular amethyst cavity, in which grow prismatic crystals of yellow calcite up to 9 mm large.
Agate, limonite, calcite
Massive agate terminated with a cavity of goethite crystals, on which prismatic calcite crystals up to 2.5 cm large grow.
Lazulite, Siderite
Increase of very shiny crystals of saturated blue Lazulite with ochre crystals of Siderite. The largest crystals of Lazulite are […]
Calcite
Bidirectional sample of two-generation calcite. The first generation consists of 1 – 1.5 cm large scalenohedrons sprinkled with small pyrite, […]
Calcite
Druse of scalenohedral calcite crystals on which younger calcite with prismatic development is growing from one direction.
Calcite, pyrite
Scalenohedral calcite crystals 2 to 3 cm large overgrown on one side with second-generation calcite with a prismatic habit and […]
Calcite
Scalenohedral calcite crystals up to 2 cm large overgrown by younger, smaller, hypoparallel-grown crystals. The sample is further complemented by […]
Strontianite
Yellowish bladed aggregates of strontianite in white baryte. The length of the aggregate is 5 cm. The specimen comes from […]