Beautiful natural sapphire crystal specimen from Tanzania with a striking blue-gray crystal on light matrix.The sapphire shows an interesting, partially metallic shimmering surface with clearly visible longitudinal growth striations.The contrast...
Dioptase – Exceptional emerald green crystal specimen from the CongoAn absolute highlight for discerning mineral collectors!This exceptional dioptase specimen captivates with its incredibly intense, deep emerald green coloration and a...
Natural ruby crystals from Tanzania – pink to purplish-red raw crystalsThese beautiful ruby crystals from Tanzania impress with their natural, hexagonal crystal forms and their extraordinary pink to purplish-red hues.The...
Natural Tanzanite raw crystal from TanzaniaA beautiful, natural tanzanite with a fascinating blue-gray color and a silvery shimmering luster.The crystal displays an irregular, natural shape with clearly visible growth structures...
Natural Tanzanite raw crystal from TanzaniaA beautiful, natural tanzanite with a fascinating blue-gray color and a silvery shimmering luster.The crystal displays an irregular, natural shape with clearly recognizable growth structures...
Natural Tanzanite raw crystal from TanzaniaA beautiful, natural tanzanite with a fascinating blue-gray coloring and a silvery shimmering luster.The crystal displays an irregular, natural shape with clearly visible growth structures...
Natural Tanzanite raw crystal from TanzaniaA beautiful, natural Tanzanite with a fascinating blue-gray color and a silvery shimmering luster.The crystal displays an irregular, natural form with clearly visible growth structures...
NATURAL RUBY CRYSTALS FROM TANZANIA – 5 G OR 10 G TO CHOOSE FROMThese beautiful raw ruby crystals from Tanzania impress with their natural hexagonal crystal forms and their varying...
Ruby-Sapphire raw crystal from Tanzania – Natural violet-red corundumThis extraordinary corundum crystal from Tanzania impresses with its natural, nearly hexagonal crystal shape and its fascinating coloration, ranging between deep violet,...
NATURAL GREEN SAPPHIRE – SMALL 7.5 CT CORUNDUM CRYSTALThis small green sapphire crystal impresses with its compact, naturally grown crystal form and its interesting coloration.The crystal displays various shades of...
An exceptionally high-contrast and crystal-rich mineral specimen from the famous Madan ore district in the Rhodope Mountains, Bulgaria.This specimen combines dark, metallic-lustrous ore minerals with intensely brass-gold sulfides and several...
Beautiful set of five natural, raw tourmalines from Brazil with intense pink to reddish-violet hues.The small crystal pieces show various shapes, natural intergrowths, and some partially adhering host rock. Particularly...
An exceptionally mineral-rich collector's specimen from the famous Madan ore district in Bulgaria.The specimen displays a very beautiful combination of galena, sphalerite, pyrite, and calcite. Particularly striking are the numerous...
Exceptionally large and extremely detailed mineral specimen from the famous Madan mining district in Bulgaria.This impressive specimen is almost completely covered in countless fine white to partially transparent quartz crystals...
FOUR SPECIAL QUARTZ CRYSTALS FROM ERONGO, NAMIBIAThis diverse set combines four natural quartz crystals with different growth forms, colors, and inclusions. From nearly clear rock crystal to slightly smoky and...
Exceptional large multi-mineral collector's specimen from Madan, Bulgaria, featuring pyrite, sphalerite, quartz, and chalcopyrite – an impressive museum-grade piece with an enormous abundance of crystals.The numerous, excellently developed pyrite crystals...
Exceptional and highly detailed mineral specimen from the famous Madan mining district in Bulgaria.The piece displays a fascinating combination of galena, sphalerite, and rock crystal or quartz.Particularly impressive is the...
Exceptional large multi-mineral collector's specimen from Madan, Bulgaria, with galena, sphalerite, rock crystal / quartz, and chalcopyrite.With a weight of approx. 487 g and dimensions of about 120 × 80...
Large sphalerite, pyrite & rock crystal specimen from Madan, BulgariaAn exceptionally richly crystallized and high-contrast mineral specimen from the famous mining district of Madan in the Rhodope Mountains, Bulgaria.The 411...
Natural Calcite Druse from Rhodes, Greece – personally collected in the coastal region of Attavyros Mountain.This special find consists of natural limestone and features a beautiful geode or crystal cave,...
Exceptional large ore mineral specimen with sphalerite and galena as a dark mineral base, featuring an extremely rich covering of gold-colored pyrite.Particularly fascinating are the numerous clearly visible pyrite crystals...
HONEY OPAL FROM TANZANIA – FOUR NATURAL UNIQUE PIECES TO CHOOSE FROMThese beautiful honey opals from Tanzania delight with their warm, golden-yellow to honey-brown hues. Depending on the piece, they...
LARGE ROCK CRYSTAL SPECIMEN WITH CHALCOPYRITE & GALENAAn exceptionally large and versatile collector's specimen with numerous naturally grown rock crystals and high-contrast metallic accessory minerals.Quartz crystals of varying sizes, some...
GLADITE & AIKINITE FROM GLADHAMMAR, SWEDEN – 5 UNIQUE PIECES TO CHOOSE FROMThese interesting mineral specimens from the historic mining region of Gladhammar in Sweden display a fascinating interplay between...
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