Barite and pyrite - Bou Nahas Mine, Oumjrane, Morocco
Set of slightly bluish, shiny, and locally translucent tabular...
Set of slightly bluish, shiny, and locally translucent tabular...
A superb and unusual combination of hyalite opal, reactive to...
Small, high-quality specimen composed of tiny crystals of...
Rutile epitaxy around small hematite crystals on rhyolite....
Thick, well-formed hematite crystals with a beautiful metallic...
Rutile epitaxy around small hematite crystals on rhyolite....
Quartz plate composed of well-developed crystals with smooth,...
Small aerial group of translucent quartz. The classic Dauphiné...
Slab featuring a cluster of slender, well-formed prismatic...
A large, floating, translucent smoky quartz point, partially...
A cluster of translucent quartz crystals with a beautiful...
Plate featuring a cluster of translucent quartz crystals,...
Specimen composed of three quartz crystals with smooth,...
The specimen is dominated by an aggregate of calcite crystals...
Small, high-quality specimen composed of small pyromorphite...
An attractive, airy specimen composed of several pyromorphite...
Group of well-developed translucent quartz crystals with the...
Set of double-terminated, translucent quartz points associated...
Specimen formed of two translucent, shiny and well-developed...
Small aerial group of translucent quartz. The classic Dauphiné...
Cerussite in bright, twinned crystals on a matrix of galena...
An aerial bouquet of quartz with beautiful clarity and...
Scalenohedrons of slightly pinkish calcite, partially...
Scalenohedrons of slightly pink calcite, in excellent...
Set of translucent, shiny smoky quartz points in very good...
Set of translucent, shiny smoky quartz points. The main point...
Double-terminated diamond quartz of superb quality on septaria...