Gypsum - Angervilliers, Essonne, France
Group of translucent gypsum crystals from the former...
Group of translucent gypsum crystals from the former...
Translucent and shiny quartz plate, typical of the Dauphiné...
Large plate composed of well-individualised quartz needles of...
Group of two Brazilianite crystals, the smaller of which is...
Good quality Brazilianite crystal. 1.8 x 1 x 0.8 cmHighlights...
Small double-terminated quartz from Pakistan, of great...
Small ‘diamond’ quartz with hydrocarbon inclusions. Strong...
Small ‘diamond’ quartz with hydrocarbon inclusions. 1.7 x 0.9...
A well-translucent, perfectly terminated single crystal of...
A well-translucent, perfectly terminated single crystal of...
A well-translucent, perfectly terminated aquamarine single...
Small group of small Brazilianite crystals.2.5 x 1.6 x 1.8...
One side features needle-like quartz crystals of various...
Small group of shiny quartz needles interspersed with a little...
A good-sized celestine geode.14.5 x 12.5 x 6.6 cm - 1.8...
Small, very shiny blue apatite crystals in barrels associated...
Small bush of pyromorphite pseudomorphosed into plumbogummite....
Quartz plate composed of well-developed crystals with smooth,...
Chinese specimen of kermesite, featuring elongated crystals...
Chinese specimen of kermesite, featuring elongated crystals...
Chinese specimen of kermesite, featuring elongated crystals...
It's been a while since we've received pieces of this...
It's been a while since we've received pieces of this...
It's been a while since we've received pieces of this...
Beautiful botryoidal quartz slab, commonly known as chalcedony...
A cluster of quartz crystals with chlorite inclusions,...
Well-formed prehnite sphere with a finely crystallised...
A very airy group composed of small chlorite quartz crystals...
A very airy and aesthetic group of small chlorite quartz...
A very airy and aesthetic group of small chlorite quartz...
Beautifully brilliant epidote crystals topped with prehnite, a...