Prehnite - Diamonkara, Kayes, Mali
Several spheres of translucent green prehnite with epidote...
Several spheres of translucent green prehnite with epidote...
Small, very attractive group of light green prehnite spheres,...
Two prismatic epidote crystals with superb shine, associated...
Beautifully shiny epidote topped with prehnite, a classic...
Very shiny epidote single crystal positioned on a group of...
Rare prehnite in perimorphosis of a mineral that has...
Group of smoky quartz crystals on matrix, from the Aiguille...
Quartz, quite bright and translucent, entirely...
Naturally interlocking pyrite crystals with a mirror-like...
Snowflake" (= reticulated) crystallised cerussite sprinkled...
Botryoidal quartz, commonly known as ‘cluster chalcedony’,...
Bright, lemon-yellow brucite whose shape allows us to see its...
Beautifully bright sceptered quartz with hydrocarbon...
Small smoky quartz crystals on a mat of sheeted microcline.6.3...
Fibrous ‘crook’ or ‘ram's horn’ gypsum, with a shine...
Small aerial bush of pyromorphite pseudomorphosed into...
Small pyromorphite bush pseudomorphosed into plumbogummite. 2...
Small pyromorphite bush pseudomorphosed into plumbogummite.1.8...
Dioptase in the form of a fine small plate with dark green,...
Aesthetic and airy specimen composed of several crystals of...
Aesthetic and airy specimen composed of several crystals of...
Thick polished slice of polyhedral agate.Polyhedral agates...
Single crystal of brown zunyite with truncated edges and a few...
Aesthetic, airy specimen composed of several crystals of...
Rutile epitaxy around hematite crystals, very well terminated,...
Epitaxial rutile around hematite crystals. From a discovery of...
Epitaxial rutile around small hematite crystals. From a...
Aesthetic, airy specimen of stalactite cupriferous aragonite...
Aesthetic, airy specimen of stalactite cupriferous aragonite...
An attractive, airy specimen of cupriferous aragonite with an...
Copper-bearing aragonite with an attractive blue colour and...