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...
Actinolite, pyrite - Arignac, Ariège, France
Green-banded actinolite with copper-bright pyrite on a matrix...
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...
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...
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 bright 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...
Firefly quartz with petroleum inclusions - Madirobe, Madagascar
Beautifully lustrous, windowed sceptrous quartz with...
Fluorite - Côte Rousse quarry, Vensat, Puy-de-Dôme, France
Fluorite with a bright orange-yellow colour, crystallised on a...
Fluorite - La Barre mine, Puy-de- Dôme, France.
Colourless to slightly bluish fluorite, with a beautiful...
Fluorite - La Barre mine, Puy-de- Dôme, France.
Octahedral fluorite covered with micro quartz and then with a...
Aragonite - Minglanilla, province of Cuenca, Spain.
Red aragonite in a pseudo-hexagonal macle, brilliant and well...
Pyrite - Saint-Denis-d'Orques, Sarthe, France.
Pyrite ‘flower’, shiny, in excellent condition, crystallised...
Chlorite quartz - L'Alpe d'Huez, Isère, France.
Atypical endings for this chlorite quartz from the Grandes...
Calcite on sphärosiderite - Laguépie, Tarn-et-Garonne, France.
Small brown calcite scalenohedrons on green sphärosiderite...
Fluorite - La Barre mine, Puy-de- Dôme, France
A piece in superb condition, composed of fluorite with a...
Native gold in quartz - Saint-Yrieix-la-Perche, Haute-Vienne,...
Small flecks of native gold in grey quartz, typical of the...
Native gold in quartz - Saint-Yrieix-la-Perche, Haute-Vienne,...
Small flecks of native gold in grey quartz, typical of the...
Native gold in quartz - Saint-Yrieix-la-Perche, Haute-Vienne,...
Small flecks of native gold in grey quartz, typical of the...