Prehnite and epidote - Diamonkara, Kayes, Mali - Thumbnail No....
A well-formed, light green prehnite sphere with a finely...
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A well-formed, light green prehnite sphere with a finely...
Specimen featuring a well-defined main wulfénite crystal,...
A fluorite crystal with particularly sharp faces and edges,...
This group of quartz crystals from Ganesh Himal in Nepal...
This specimen features a rich epidote crystallization covering...
A particularly transparent gypsum crystal with well-developed...
A fantastic thumbnail specimen composed of several octahedrons...
Golden-colored rutile needles (titanium dioxide) formed by...
A specimen composed of amethyst crystals that range from...
This specimen combines light green, lustrous prehnite...
A specimen consisting of a multitude of well-developed,...
A tabular wulfenite crystal with a superb, deep orange-yellow...
A cluster of fluorite crystals with a very pronounced...
Small pink fluorite octahedrons with a beautiful luster,...
A cluster of light green prehnite spheres, well-formed with a...
This vanadinite stands out for its intense red color, its...
A remarkable colorless tabular single crystal of...
A scepter amethyst composed of several double-terminated...
An excellent specimen combining black hematite crystals with a...
Specimen from the Pack Rat Mine in California, consisting of...
A gem-quality ruby crystal of intense pink, exhibiting...
This mini geode, from the state of Zacatecas in Mexico, is...
A well-developed anatase crystal with sharp faces and a...
A violet fluorite single crystal partially covered with...
A tabular single crystal of wulfenite with a deep yellow...
A colorless, translucent single crystal of nifontovite. The...
This acanthite exhibits a highly architectural arborescent...
A cluster of tabular barite crystals in shades of amber-brown,...
Highly prized for its intense and unique cobalt blue color,...
Highly prized for its intense and unique blue color, haüyne is...
A cluster of tabular pale blue baryte crystals forming small...
A cluster of tabular gypsum crystals, displaying beautiful...