Archives

Sulfur and celestine - Caltanisetta, Sicily, Italy

Lemon-yellow sulfur crystals accompanied by numerous small...

Epidote - Imilchil, Morocco

Bow-tie epidote with a lovely fibroradial lustre structure on...

Vanadinite - yellow phosphohedyphane on goethite - Taouz, Morocco

Pseudomorphosis of vanadinite to phosphohedyphane...

Chlorite quartz - Ganesh Himal, Népal

Piece composed of biterminated quartz points with chlorite...

Cavansite - Wagholi quarries, Poona, India

Beautifully sized pompon cavansite (3 x 2.5 cm), impeccably...

Smoky quartz - La Poype mine, Vienne, Isère, France

Gypsum - Angervilliers, Essonne, France

Group of translucent gypsum crystals from the Angervilliers...

Goethite psm after pyrite - Agos-Vidalos, Hautes-Pyrénées, France

Pyrite pseudomorphosed into goethite from Agos-Vidalos in the...

Crocoïte - Red Lead Mine, Tasmania, Australia.

Bright orange-red crocoite crystals on limonite matrix.5.5 x 3...

Pyrite - Navajun, La Rioja, Spain

Pyrite cubes of superb brilliance and very good condition,...

Stolzite on scheelite, and quartz - Santiago de Chuco, Peru

Bright yellow stolzite, delicately set on small scheelite...

Calcite - Ojuela Mine, Mapimi, Durango, Mexico

Colorless hexagonal calcite with relatively thick petals and...

Garnet - Pic de Costabonne, Pyrénées-Orientales, France

An old sample of grossular garnets or andradites, including a...

Actinolite, pyrite - Arignac, Ariège, France

Green-banded actinolite with copper-bright pyrite on a matrix...

Pyrite on Talc - Trimouns, Luzenac, Ariège, France

Curved pyrite octahedrons of fine quality and brilliance on...

Native arsenic - Filon Saint-Jacques, Neuenberg,...

Not common! Native arsenic showing natural dissolution. This...

Fluorite - Dalnegorsk mining district, Russia

Dalnegorsk fluorites are renowned for the purity of their...

Quartz and siderite - Allevard, Isère, France

Set of quartz points, one of which is biterminated, with shiny...

Paesine - Tuscany, Italy

Polished paesine slab: a very fine-grained clay limestone...

Wavellite - Mauldin, Arkansas, USA

Small piece composed of several wavellite spheres of different...

Wavellite - Mauldin, Arkansas, USA

Small piece composed of several wavellite spheres of different...

Fluorite - Berbes, Asturias, Spain

Set of translucent violet fluorite cubes with shiny surfaces,...

Fluorite - Berbes, Asturias, Spain

Fluorite cubes with lovely, bright purple phantoms contrasting...

Pyrite - Navajun, La Rioja, Spain

Naturally interlocking pyrite crystals with mirror-like lustre...

Vanadinite on barite - Mibladen mining district, Morocco

Airy set of vanadinite crystals of varying sizes, displaying...

Demantoid garnet - Antetezambato, Ambanja District, Madagascar

Small, extremely bright and well-formed green demantoid...

Demantoid garnet - Antetezambato, Ambanja District, Madagascar

Small, extremely bright and well-formed green demantoid...

Firefly quartz with petroleum inclusions - Madirobe, Madagascar

Beautifully brilliant sceptered quartz with hydrocarbon...

Firefly quartz with petroleum inclusions - Madirobe, Madagascar

Beautifully brilliant sceptered quartz with hydrocarbon...

Firefly quartz with petroleum inclusions - Madirobe, Madagascar

Beautifully brilliant sceptered quartz with hydrocarbon...

Firefly quartz with petroleum inclusions - Madirobe, Madagascar

Beautifully bright sceptered quartz with hydrocarbon...

Firefly quartz with petroleum inclusions - Madirobe, Madagascar

Beautifully bright sceptered quartz with hydrocarbon...