Amethyst quartz - Châtelperon, Allier, France
Polished slice of amethyst quartz from the Allier region.11 x...
Polished slice of amethyst quartz from the Allier region.11 x...
Polished slice of amethyst from Allier.11 x 5.5 x 1 cm
A specimen of hematoid and morion quartz with shiny...
Bright pyromorphites of various sizes (millimetres to 0.5 cm)...
Single crystal of pinite (cordierite pseudomorphosed into...
Salmon-pink single crystal of serandite of respectable size...
Interesting combination of analcime and aegerine.4.5 x 4.5 x...
5 mm crystal with a beautiful metallic luster, on a rhyolite...
Floating biterminated barite crystal from Auvergne in very...
White to transparent hemimorphite spheres on stabilised...
Very bluish ‘bubbles’ of lussatite, typical of the locality.6...
Curious internal moulding of a probable bluish lussatite root,...
Complete Helix ramondi partially perimorphosed into lussatite...
Hematoid quartz in very good condition with very shiny...
Quincyte, variety of pink opal, cut and semi-polished on the...
Plate of quincyte, a variety of pink opal, cut and polished on...
Plate of quincyte, a variety of opal, with one side...
Plate of quincyte, a variety of opal, with one side...
Although this quarry has yielded specimens of more impressive...
Amethyst encapsulated in hyaline quartz with beautifully shiny...
Amethyst encapsulated in hyaline quartz with beautifully shiny...
Quartz in fine needles, particularly translucent and...
Several gypsum crystals of superb transparency and brilliance,...
Quartz needles, a rare facies in Brittany, from the Sullé...
Wavellite crystals, most of them sectioned, revealing the...
Sheets of molybdenite (molybdenum sulphide) on a matrix of...
Rare fluorite from Brittany, from work on the Rennes-Le Mans...
Variety of microcrystallised and spheroidal siderite, on...
Slice of shimmering green seraphinite, polished on the front...
A number of small aurichalcite stars on a stabilised limonite...
Small brown calcite scalenohedrons on green sphärosiderite...
Small shiny pyromorphite on barite.7 x 4 x 5.5 cm.