quartz

Lot 144. A quartz slit ring, jue, Neolithic period, South-East China, c. 3500 - 2500 B.C. Width 5.4 cm, 2⅛ in. Lot sold: 2,016 GBP (Estimate: 1,000 - 1,500 GBP). © 2022 Sotheby's. the stone of a creamy white colour, carved as a ring with a large central hole drilled from both sides, with an animal straddling the outer edge, a small aperture drilled through the ring just below the animal's heathe stone of a milky-white colour, of flattened shape with a large hole to the centre, the... [Lire la suite]

Lot 30. Exceptionnel hérisson de quartz de la mine de La Gardette, Oisans, Isère, France. Estimation : 35 000 € / 65 000 €. Photo Rossini Cette imposante et élégante pièce (26 x 20 x 19 cm) illustre parfaitement la magnificence des plus belles cristallisations de QUARTZ issues de ce gisement alpin mythique.Elle regroupe plusieurs touffes de grands cristaux terminés, qualité gemme, harmonieusement orientés, et ayant des reflets variant avec l’angle d’observation.Cette pièce a des volumes particulièrement harmonieux et exprime... [Lire la suite]

THE ROMANOVS JEWELS.  Tsar Nicholas II's Quartz Belonged to Emperor Nicholas II. St. Petersburg, beginning of the twentieth century. Firm Denisova-Ural (processing). Quartz; grinding, polishing.  Quartz, unique in its size (more than three and a half pounds), transparency and color - smoky golden - was in the imperial property. It is mentioned in the inventory drawn up in 1922 at the opening of the Commission Gokhran boxes Palace property department evacuated from Petrograd to... [Lire la suite]

Quartz and Epidote - Imilchil, Morocco Natrolite - Imilchil, Morocco Prehnite on Tanzanite Osmium Celestite

Opalized Ammonite measuring 2 ft. in diameter, discovered near Alberta, Canada. Mangan Vesuvianite. Jeffrey Mine, Asbestos, Quebec, Canada. Stephanite on Polybasite - Husky Mine, Galena Hill, Yukon Territory, Canada. Polybasite from Husky Mine, Yukon Territory, Canada.   Hyalophane, Canada. Vesuvianite, Quebec, Canada. Pyromorphite from Canada. Selenite Red River Floodway, Winnepeg, Manitoba, Canada. Quartz-Asbestos, Jeffery Quarry, Canada.

Amethyst. Elestial Ametrine - Bolivia; Kyanite and Quartz - Brazil. Orange Quartz (iron oxide inclusions) - Orange River, South Africa.   Elbaite Tourmaline - Paprok, Afghanistan.

Apophyllite over Quartz and Stilbite Stolzite Fluorite, Calcite // Elmwood Mine, Smith County, Tennessee, USA Tanzanite Natural Gem Crystal.

Alma King Rhodochorsite, Denver Museum of Nature and Science.  Fairburn Agates Goethite. 11 x 10 cm. Length 13 mm. Col. Natural Science Museum of Álava MCNA 12472 (Photo E. Ortiz de Zárate) Quartz, Veracruz, Piedra Parada (Las Vigas), Municipio de Tatatila, Veracruz, Mexico

Rutile, Hematite, and Quartz goes into Titanium White and Iron Oxides, Bahia, Brazil.

Quartz and Elbaite