Calcite and fluorite on quartz - L'Argentolle, Saône-et-Loire,...
This specimen features a beautiful paragenesis typical of the...
This specimen features a beautiful paragenesis typical of the...
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...
Pyromorphite from Asprières (Aveyron), yellow/green, shiny,...
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...
Well-formed smoky quartz crystals with shiny, striated faces...
Prismatic smoky quartz point, slightly translucent, with shiny...
Blue evansite crystals (rare amorphous aluminum phosphate) on...
Small calcite scalenohedrons in a beautiful deep orange color...
Small floating group of prehnite in a shiny, well-formed bow...
Black tourmaline crystal (schorl variety), with superb...
Small specimen composed of several spheres of wavellite of...
Specimen composed of small, well-formed, shiny grossular...
Gibbsite (aluminum ore) with a botryoidal shape and a...
Quincyte, known as “pink opal.” Cut and semi-polished on the...
Naturally shiny and transparent quartz point (unresurfaced,...
Quartz with chlorite inclusions and shiny surfaces, some of...
Small, shiny, translucent crystal with a beautiful, rich...
Small pseudo-cubic pyrite crystal with superb brilliance. A...
Small pseudo-cubic pyrite crystal with superb brilliance. A...
Fibrous malachite with a slender shape. The fineness of the...
This Moroccan specimen offers a striking contrast: a cluster...
Group of several well-formed almandine crystals, deep brownish...
A cluster of slender, fairly bright quartz crystals with fine...
An elegant bouquet of translucent, brilliant quartz crystals,...