Hoploscaphites nicolleti (Morton, 1842) & Hoploscaphites spendeni

Hoploscaphites nicolletii (Morton, 1842) Location : Fox Hills Formation, South Dakota, USAAge : Maastrichtiano, Cretaceo Ammonite size : 63x30 mm

Fossil ammonite Discoscaphites sp. (Meek, 1870)

Discoscaphites sp.Cretaceous , Maastrichtian Fox Hills Formation - South Dakota Dimension: 70 x 20 mm

Beltanelliformis brunsae (Menner,1974)

StromatoliteLocation: Cochabamba, BoliviaAge: Cretaceous Dimensions: 90 x 55 mm.Weight: 85 grams.

Discohelix sinistra (Orbigny,1850)

Iridescent GOETHITE — Cavo Mine, Elba Island, Tuscany, Italy MIN-00085

A goethite specimen from the historic Cavo Mine, on the eastern side of Elba Island—one of Italy's most celebrated mineralogical sites, known since ancient times for its iron mineralization. Dimensions: 5 x 3 cm

Iridescent GOETHITE — Cavo Mine, Elba Island, Tuscany, Italy MIN-00084

A goethite specimen from the historic Cavo Mine, on the eastern side of Elba Island—one of Italy's most celebrated mineralogical sites, known since ancient times for its iron mineralization. Dimensions: 4.4 x 2 cm

Red-ochre GOETHITE — Cavo Mine, Elba Island, Tuscany, Italy MIN-00083

Specimen of botryoidal goethite from the historic Miniera del Cavo, on the Island of Elba. What makes this specimen immediately striking is its extraordinary colouration: a vivid interplay of brick red, ferruginous orange and bright ochre yellow, distributed across the entire surface in an irregular, wholly natural pattern. Dimensions: 9 x 6 x 2 cm

Botryoidal Ochre GOETHITE — Cavo Mine, Elba Island, Tuscany, Italy MIN-00082

Specimen of botryoidal goethite from the historic Miniera del Cavo, on the Island of Elba — one of Italy's most renowned mining localities, and for centuries a source of iron minerals of extraordinary quality. Size: 9 x 6 x 5 cm

AZURITE with MALACHITE on Matrix — Calamita Mine, Elba Island, Tuscany, Italy Code: MIN-00081

AZURITE with MALACHITE on Matrix — Miniera Calamita, Isola d'Elba, Tuscany, Italy — Cod. MIN-00081 Fascinating azurite with malachite on matrix specimen from the renowned Miniera Calamita, Isola d'Elba. The piece features a spectacular chromatic combination with zones of intense blue azurite alternating with patches and coatings of emerald green...

Iridescent GOETHITE on Matrix — Cavo Mine, Elba Island, Tuscany, Italy

Specimen of iridescent botryoidal goethite from the historic Miniera del Cavo, Isola d'Elba, one of Italy's most renowned mining localities. The specimen stands out for its botryoidal (grape-like) surface with a spectacular multicolour iridescence — blue — making it a piece of great aesthetic impact and collector's value. Size: 3 x 2 cm

Iridescent GOETHITE on Matrix — Cavo Mine, Elba Island, Tuscany, Italy

Extraordinary specimen of iridescent botryoidal goethite from the historic Miniera del Cavo, Isola d'Elba, one of Italy's most renowned mining localities. The specimen stands out for its botryoidal (grape-like) surface with a spectacular multicolour iridescence — blue, purple, green and golden reflections — making it a piece of great aesthetic impact and...

Hematoid Quartz — Crystals on Matrix | Procchio, Elba Island, Italy

Hematoid Quartz on Matrix — Procchio, Isola d'Elba, Tuscany, Italy Quartz on matrix specimen from the renowned locality of Procchio, Isola d'Elba, one of Italy's most appreciated mineralogical sites. The specimen features numerous elongated prismatic quartz crystals with a characteristic yellow-amber/golden coloration, due to the presence of ferruginous...