Chalcedony - Sidi Rahal, Morocco
Plate composed of chalcedony in small stalactites surrounded...
Plate composed of chalcedony in small stalactites surrounded...
Very slightly amethyst-quartz, anti-sceptre and extremely...
Gem-quality, twinned red spinel crystal from a locality that...
Gem-quality spinel crystal from a locality that produces some...
Sceptered amethyst quartz with clearly visible hematite...
Set of galena crystals with a beautiful metallic luster from...
This piece is composed of hessonite garnets, including a...
Large gray/green diopside crystal accompanied by small...
Small andradite var. demantoid garnets with typical brilliance...
Piece composed of several small, shiny, dark-red octahedral...
Two large green pargasite crystals set at 110° to each other,...
Epidote in small crystals between yellow and green,...
Isolated cavansite pompom with beautiful terminations,...
Small specimen of well-formed, bright grossular garnets...
Small piece composed of several wavellite spheres, one of...
Small piece composed of several wavellite spheres, one of...
Pseudomorphosis of vanadinite into phosphohedyphane...
Specimen of bright red vanadinite, associated with small...
Specimen composed of romanéchite, a barium-bearing manganese...
Lustrous orange-colored analcime crystals in good condition....
This vanadinite stands out for its intense red color, extreme...
Azurite composed of numerous brilliant crystals set in...
Small thumbnail of very dark blue azurite crystals with superb...
Small piece composed of small brilliant amethysts with...
Fully recrystallized violet fluorite, with well-marked inner...
Extremely bright andradite garnet from Mali.1.7 x 1.6 x 1.4 cm
Spessartine garnet with etched crystallization, very bright,...
1.5 cm cube of pyrite with mirror-effect metallic luster, on...
Fluorite in very bright brown crystals, fluorescing under long...
Slice of watermelon tourmaline with translucent pink center...
Small amethyst and hematoid quartz crystal.2.5 x 1.2 x 1.3 cm
Now a great Indian classic, cavansite remains a rare mineral...