Rutile and Hematite - Novo Horizonte, Bahia, Brazil
Hematite and rutile in epitaxy. This coin is the result of a...
Hematite and rutile in epitaxy. This coin is the result of a...
A deep violet fluorite antozonite, with bright surfaces, and...
Colourless but shiny hexagonal calcite crystals accompanied by...
Several small discs of royal blue azurite on a white kaolinite...
Microcrystals of green pyromorphite on a granitic matrix...
Black tourmaline crystals (schorl variety), with a superb...
Botryoidal amethyst quartz, commonly known as " grape agate ",...
Superb dodecahedral pyrite crystal of extreme brilliance,...
Bright orange-red crocodile crystals on limonite matrix.7 x 5...
Vanadinite brilliant and of a beautiful bright red color.2 x...
Pyromorphite with a nice apple green colour and very...
Electric blue cavansite crystals on stilbite, a nice little...
Group of translucent gypsum crystals from the old quarry of...
Group of hyaline quartz in perfect condition with a thick...
Gwindel quartz superbly twisted, slightly smoky, translucent,...
Well-balanced floating plate of very slightly smoky, shiny and...
Perfect small and very bright quartz with Cumberland habit....
Specimen composed of crystals of hyaline quartz partially...
Quartz very bright with inclusions of hydrocarbons (reacting...
Quartz crystal very slightly amethysted, with fine and...
Quartz crystal very slightly amethysted, with fine and...
Quartz crystal very slightly amethysted, with fine and...
Chlorite quartz plate of a beautiful brilliance and intact....
Piece composed of well-formed and shiny pyrite accompanied by...
Small set of quartz crystals partially covered with iron oxide...
Small set of quartz crystals partially covered with iron oxide...
Smoky quartz crystals well shined associated with muscovite....
Group of quartz and chlorite. The latter is present both in...
Native gold very finally crystallized in quartz, from a small...
Small piece but rich in native gold well crystallized,...