Anatase, quartz, calcite - Entre-Deux-Roches, Lauzière Massif,...
The two main anatase crystals are of superb quality! 3.2 x 2.5...
The two main anatase crystals are of superb quality! 3.2 x 2.5...
Slightly purple fluorite partially covered with small...
Small millimeter-sized cubes of violet fluorite. The...
Lemon yellow Brazilianite crystal in very good condition....
Specimen composed of several goethite stalactites with satiny...
Piece in good condition composed of fluorite with a yellow...
Small, shiny yellow cubes accompanied by white barite...
Kunzite variety spodumene crystal with a very pretty lilac...
Kunzite variety spodumene crystal with a very pretty lilac...
A pleasing contrast for this brilliant aegirine partially...
Goethite geode with small nodules, subtly covered with...
Rare Brittany fluorite, from the Rennes-Le Mans high-speed...
Quincyte, known as “pink opal.” Cut and semi-polished on the...
Half oval geode of shiny pyrite from Saint-Denis d'Orques.11.3...
Black tourmaline (schorl variety) sparkling, trapped in...
White and orange calcite scalenohedrons with matte but...
Imperfect hematoid quartz but with shiny surfaces. Piece sawn...
Crystallized piece, front (hematoid quartz) / back (colorless...
Small geode of goethite with a bumpy surface, partially...
Small, partially translucent tourmaline crystal with...
Small calcite scalenohedrons in a beautiful deep orange color...
Small specimen composed of several spheres of wavellite of...
Small pseudo-cubic pyrite crystal with superb brilliance. A...
This Moroccan specimen offers a striking contrast: a cluster...
An elegant bouquet of translucent, brilliant quartz crystals,...
Bouquet of slender, translucent quartz crystals with fine...
Hyalite opal on basalt, in perfect condition, displaying vivid...
Small aerial group of translucent quartz. The classic Dauphiné...
Set of slightly bluish, shiny, and locally translucent tabular...
Rutile epitaxy around small hematite crystals on rhyolite....
Plate featuring a cluster of translucent quartz crystals,...