Benitoit
Velmi bohatá ukázka tmavě modrých, průsvitných krystalů velmi vzácného silikátu barya a titanu – benitoitu z typové lokality. Největší krystal […]
Herkimer Diamond Crystal
An aggregate of two perfectly bounded crystals of a very pure glossy quartz with inclusions. These quartz crystals are nicknamed […]
Calaverite (roasted ore)
An interesting sample of gold ore originally composed of gold telluride – calaverite, which was subsequently subjected to a heat […]
Copper in gypsum
Beautiful dendritic, thin crystals of pure copper in a clear gypsum crystal.
Pyrite
Radiálí agregát pyritu tvořící tzv. “pyritové slunce”.
Linarite
Crystals of rare intensely blue Linarite. The area covered with crystals measures 15 mm × 8 mm.
Benitoite
Gorgeous, dark blue crystals of a rare silicate of barium and titanium up to 18 mm in size.
Linarite
Beautiful specimen of intensely blue linarite crystals grown in quartz cavities.
Linarite
An aesthetic cluster of intensely blue Linarite crystals from the renowned Arizona locality that grew on quartz. The size of […]
Linarite
Aesthetic specimen of intensely blue linarite crystals from the famous Arizona locality. The largest crystal is 5 mm in size.
Linarite
A rich sample of vivid blue, glossy crystals of the lead and copper sulfate – linarite from a renowned American […]
Linarite
A rich sample of deep blue crystals of lead and copper sulfate – linarite from a renowned American locality.
