A striking specimen featuring Native Silver on white Calcite. The Calcite has been etched revealing the beautiful, dendritic formations of the Native Silver (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net). The crystal formations are stunning, and this piece is...

A striking specimen featuring Native Silver on Calcite. The Calcite has been etched revealing the beautiful, dendritic formations of the Native Silver (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net). The dense crystal formations on the top/center are stunning -...

A very aesthetic piece featuring numerous lustrous (metallic) Silver wires throughout the matrix, with one particularly thick wire right up front and center. A fantastic piece in excellent condition. Location: Durango, Mexico Size: 6.5 x 3 x 4.5 cm

A striking specimen featuring Native Silver on white Calcite. The Calcite has been etched with acid revealing the beautiful, dendritic formations of the Native Silver (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net). The crystal formations on the front and...

A large, striking specimen featuring Native Silver on white Calcite. The Calcite has been etched revealing the beautiful, dendritic formations of the Native Silver (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net). The crystal formations on the front and sides...

A classic dendritic formation of native Copper crystals densely grouped together. (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net) A unique and aesthetic piece of native Copper in excellent condition. Location: Itauz Mine, Djezkazgan, Kazakhstan Size: 5.5 x 1.3 x 9 cm

A large dendritic fan-shaped formation of native Copper crystals densely grouped together. A very aesthetic and showy piece of native Copper in excellent condition. Location: Tsumeb, Namibia Size: 6 x 1 x 4 cm  

A dendritic branch-like formation of native Copper crystals densely grouped together from Tsumeb. A very aesthetic and showy piece of native Copper in excellent condition. Location: Tsumeb, Namibia Size: 5.5 x 2.3 x 3.7 cm

A striking dendritic formation of native Copper crystals from Tsumeb. The crystal structure is quite unique with its feather-like (or leaf-like) formation. A superb and aesthetic piece of native Copper in excellent condition. Location: Tsumeb, Namibia Size: 4.5 x 1 x 2.5 cm

Deep yellow, transparent, lustrous complex Sulfur crystals with clusters of white, microcrystalline Calcite on matrix. These sulfur crystals are striking - their color, luster and crystal formation are outstanding - and along with the white Calcite and light-brown matrix makes for a very aesthetic...

A classic dendritic formation of native Copper crystals densely grouped together. (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net) A unique and showy piece of native Copper in excellent condition. Location: Itauz Mine, Dzhezkazgan, Kazakhstan Size: 6.5 x 1.5 x 5.5 cm...

A classic dendritic formation of native Copper crystals densely grouped together. (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net) A unique and showy piece of native Copper in excellent condition. Location: Itauz Mine, Dzhezkazgan, Kazakkhstan Size: 5 x 1 x 8.5 cm...

A classic dendritic formation of native Copper crystals densely grouped together. (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net) A unique and showy piece of native Copper in excellent condition. Location: Itauz Mine, Dzhezkazgan, Kazakhstan Size: 3.5 x 1 x 12 cm...

Deep yellow, transparent, lustrous complex Sulfur crystals on matrix. These sulfur crystals are striking - their color, luster and crystal formation are outstanding - a very aesthetic piece in excellent condition. Location: El Desierto Mine, San Pablo de Napa, Daniel Campos Province, Potosi Department, Bolivia...

A matrix of tan-colored, microcrystalline Aragonite hosting numerous, lustrous, highly translucent, bright yellow Sulfur crystals. The color, contrast and symmetry is outstanding. The Sulfur crystals are well formed and populate the entire piece - a beautiful specimen of Sulfur crystals in excellent condition! Location: Cozzo...

A large dendritic formation of native Copper crystals densely grouped together. A very aesthetic and showy piece of native Copper in excellent condition. Location: Itauz Mine, Djezkazgan, Kazakhstan Size: 8.5 x 3.2 x 15 cm

Bright yellow-metallic Gold on white Quartz. The Gold is easily visible to the unaided eye and contrasts beautifully with the white Quartz. Gold specimens from Ireland are highly sought after and thus difficult to find. Location: B Vein, Lecanvey Prospect, Croagh Patrick, County Mayo, Ireland...

Gold on white Quartz. The Gold is visible to the unaided eye and contrasts nicely with the white Quartz. Gold specimens from Ireland are highly sought after and thus difficult to find. Location: Benlugmore, Bohaun, Galway County, Connacht, Ireland Size: 6.8 x 4 x 2.5 cm...