Precious opal
Very nicely colored precious opal measuring 12 × 10 mm.
Strontianite
Yellowish bladed aggregates of strontianite in white baryte. The length of the aggregate is 5 cm. The specimen comes from […]
Andradit
Increase in shiny, translucent yellow-green andradite crystals. The size of the crystals is approximately 3 mm.
Schwazite
Large sample of massive, metallic lustrous Schwazite – mercury-rich tetrahedrite with beige Siderite and white Quartz.
Amethyst
Crystals of light purple Amethyst overgrown with small beige siderite with crystals of golden chalcopyrite. The largest Amethyst crystal is […]
Amethyst
Beautiful druse of intensely violet Amethyst crystals up to 2 cm in size. Some crystals have slightly damaged tips.
Kermesite, stibnite
Specimen of up to 152 mm large aggregates of needle-like kermesite crystals on massive fine-grained stibnite from the classic Pernek […]
Kermesite, stibnite
Large sample of up to 15 mm aggregates of acicular kermesite crystals on massive fine-grained stibnite from the classic Pernek […]
Kermesite, stibnite
Flat beautiful specimen up to 13 mm in size of needle-like crystals of kermesite on finely grained stibnite from the […]
Kermesite, stibnite
A very beautiful, rich specimen of spatial aggregates of needle-shaped crystals of kermezite up to 22 mm in size on […]
Kermesite, stibnite
Thin flat specimen up to 8 mm of needle-like kermesite crystals aggregates on massive fine-grained stibnite from the classic locality […]
Kermesite, stibnite
Specimen of up to 15 mm aggregates of needle-like kermesite crystals on massive fine-grained stibnite from the classic Pernek locality.