Gemmes & Gemmologie

Lot 3040. A Concretion of Aragonite, Mine of Irhoud, Morocco, Safi province. Estimate: HKD 35,000 — 45,000 (4,258 - 5,475 EUR). Photo: Sotheby's with a vertical structure, the concretion of a white colour and irregularly formed with dense clusters of varying sizes, stand - 58 cm, 22 3/4  in. Provenance: A French private collection. Note: Aragonite is a carbonate mineral likened to a bouquet of explosions of fireworks or flowers. It is an... [Lire la suite]

Lot 120. Splendide ammonite Placenticeras Meeki de l'Alberta. Estimation : 12 000 € / 15 000 €. Photo Millon Belgique Splendide ammonite Placenticeras Meeki de l'Alberta.Diamètre imposant pour cette spectaculaire ammonite aux iridescentes couleurs électriques, très bel état pour ce must. Elégamment soclée. Exceptionnelle. D: 42 cm. Chambre des Merveilles chez Millon Belgique, 1040 Bruxelles, le 26 Mars 2017 à 14h30

The Fire of Australia opal, valued at nearly $900,000 Australian dollars and weighing at 998 grams.  ADELAIDE.- The finest uncut opal in existence, the Fire of Australia, has joined the South Australian Museum’s collection through the vision of a private donor and funding from the Federal Government’s National Cultural Heritage Account. Valued at nearly $900,000 Australian dollars and weighing at 998 grams, the Fire of Australia is the world’s finest piece of opal of its kind on public... [Lire la suite]

Conch natural pearl. Photo courtesy Theilkaes

Natural pearl pteria sterna, 6.18 ct. Photo courtesy Theilkaes

Natural Conch pearl, 7.50 ct. Photo courtesy Theilkaes

Phantom Fluorite, Okoruso Mine, Otjiwarongo District, Namibia

Cuprite, Red Dome Mine, Chillagoe, Queensland, Australia © Keys Mineral Collection.

Vanadinite, Pure Potential Mine, Silver District, Trigo Mts, La Paz Co., Arizona, USA

Quartz cluster with Augelite crystals, Mundo Nuevo Mine, Sanchez Carrion, La Libertad, Peru