Hyalite opal on rutile - Novo Horizonte, Bahia, Brazil
Superb and unusual association of short Uvs-reactive hyalite...
Superb and unusual association of short Uvs-reactive hyalite...
Superb and unusual association of short Uvs-reactive hyalite...
Superb and unusual association of short Uvs-reactive hyalite...
Superb and unusual combination of short-UV-reactive hyalite...
Superb and unusual combination of short-UV-reactive hyalite...
Superb and unusual combination of short-UV-reactive hyalite...
Superb and unusual combination of short-UV-reactive hyalite...
A superb and unusual combination of short Uvs-reactive hyalite...
Light-blue evansite crystals (rare amorphous aluminum...
Small group of fluorite crystals with bright surfaces and...
Two small interlocking crystals of yellow fluorite with fine...
Translucent yellow fluorite with fine blue edging. Brilliant...
Beautiful blue botryoidal gibbsite from China.2 x 1.5 x 1.5 cm
Polysynthetic pyrite with mirror-like brilliance. A single...
Naturally interlocking pyrite crystals with a mirror-like...
Blue fluorite crystal with a yellow center highlighted with a...
Small group of blue fluorite with unfortunately quite damaged...
Blue fluorite crystal with a yellow center highlighted with a...
Epitaxial hematite and rutile. Piece from a discovery of a few...
Epitaxial hematite and rutile. Piece from a discovery of a few...
Epitaxial hematite and rutile. Piece from a discovery of a few...
Cubic, purple fluorite, very rare in the Mont-Blanc massif...
Cubic, purple fluorite, very rare in the Mont-Blanc massif,...
Small octahedron of translucent pink fluorite with naturally...
Crystal of xenotime (rare yttrium phosphate) with a beautiful...
Xenotime crystal (rare yttrium phosphate) in perfect condition...
Xenotime crystal (rare yttrium phosphate) with attractive...
Well-finished, damage-free chunky crystal, good size for the...
Siderite crystal in perfect condition and very bright,...
Small calcite scalenohedrons in deep orange on basalt. Calcite...