19 mai 2013
Wulfenite. Red Cloud Mine, Silver Dist., Trigo Mts., La Paz Co., Arizona, USA
Wulfenite. Red Cloud Mine, Silver Dist., Trigo Mts., La Paz Co., Arizona, USA. Photo Heritage Auctions
Wulfenite is a consistent member of all mineral collections with any pretensions to completeness. The bright red-orange of Wulfenite from TheRed Cloud Mine of Arizona, has generated a level of notoriety achieved by few other minerals. Wulfenite specimens considered "choice" possess some key characteristics: fine red-orange color with no hint of brown, multiple crystals with good crystal form and little or no damage,... [Lire la suite]19 mai 2013
An oxblood red porcelain vase, China, Qing Dynasty, 19th century
An oxblood red porcelain vase, China, Qing Dynasty, 19th century. Photo Cambi Casa d'Aste
h 33cm - Estimation : 1 000 / 1 500 €
Cambi Casa d'Aste. Mercredi 22 mai 2013. Castello Mackenzie - Mura di San Bartolomeo 16. Contact: Emilie Volka 0039 (0) 108395029 -emilie@cambiaste.com19 mai 2013
SPONDUMENE var. KUNZITE with IMPORTANT HISTORIC PROVENANCE
SPONDUMENE var. KUNZITE with IMPORTANT HISTORIC PROVENANCE. Photo Heritage Auctions.
The jewelry firm of Tiffany and Company needs no introduction. It has provided jewels to the aristocracy, stained glass and art glass to collectors, medals to the military, and enough other items to make the turquoise blue "Tiffany" box instantly recognizable by millions of people worldwide. During the 160 years that Tiffany & Co. has existed, Tiffany employees sourced many of the exotic jewels incorporated in the their jewelry. That select... [Lire la suite]19 mai 2013
A flambé ceramic vase in the shape of a pumpkin, China, Qing Dynasty, 19th century
A flambé ceramic vase in the shape of a pumpkin, China, Qing Dynasty, 19th century. Photo Cambi Casa d'Aste
38cm . Estimation : 2 000 / 3 000 €
Cambi Casa d'Aste. Mercredi 22 mai 2013. Castello Mackenzie - Mura di San Bartolomeo 16. Contact: Emilie Volka 0039 (0) 108395029 -emilie@cambiaste.com19 mai 2013
RHODOCHROSITE "JEWEL". N'Chwaning Mine, Kalahari Manganese Fields, Northern Cape Province, South Africa
RHODOCHROSITE "JEWEL". N'Chwaning Mine, Kalahari Manganese Fields, Northern Cape Province, South Africa. Photo Heritage Auctions.
The element Manganese is an essential component of many modern necessities: everything from steel to dry cell batteries. Approximately 99.999999% of Manganese ores are BLACK. Not just a little black, but black enough to get Manganese miners banned from local Laundromats for washing their work clothes: this is not a joke. Evidently, Mother Nature took pity on this hard-working element and partially made... [Lire la suite]19 mai 2013
A Meiping porcelain vase with flambé decoration , China, Qing Dynasty, Qianlong Period (1736-1795)
A Meiping porcelain vase with flambé decoration , China, Qing Dynasty, Qianlong Period (1736-1795). Photo Cambi Casa d'Aste
h 34cm. Estimation : 5 000 / 7 000 €
Cambi Casa d'Aste. Mercredi 22 mai 2013. Castello Mackenzie - Mura di San Bartolomeo 16. Contact: Emilie Volka 0039 (0) 108395029 -emilie@cambiaste.com19 mai 2013
RHODOCHROSITE "GEM". N'Chwaning Mine, Kuruman, Northern Cape Province, South Africa
RHODOCHROSITE "GEM". N'Chwaning Mine, Kuruman, Northern Cape Province, South Africa. Photo Heritage Auctions.
This colorful specimen is from the original find at the N'Chwaning Mine, owned by Associated Manganese Mines of South Africa and now closed. Typical 'gemmy' scalenohedral crystal habit with associated secondary crystals flanking the main one, forming a sub-parallel aggregate. This specimen shows dark red, transparent color with the brown overtones normal for this material. The highly lustrous faces display faint striations... [Lire la suite]19 mai 2013
A flambé blue and violet porcelain vase, China, Qing Dynasty, Qianlong Period (1736-1795)
A flambé blue and violet porcelain vase, China, Qing Dynasty, Qianlong Period (1736-1795). Photo Cambi Casa d'Aste
in the shape of a mountain landscape; h 40cm. Estimation : 6 000 / 8 000 €
Cambi Casa d'Aste. Mercredi 22 mai 2013. Castello Mackenzie - Mura di San Bartolomeo 16. Contact: Emilie Volka 0039 (0) 108395029 -emilie@cambiaste.com19 mai 2013
PRECIOUS OPAL with IMPORTANT HISTORIC PROVENANCE. Virgin Valley, Humboldt County, Nevada, USA
PRECIOUS OPAL with IMPORTANT HISTORIC PROVENANCE. Virgin Valley, Humboldt County, Nevada, USA. Photo Heritage Auctions.
Washington A. Roebling: chief engineer of the Brooklyn Bridge, soldier of the Union Army, devoted family man, and most important to this discussion: prolific collector of over 16,000 mineral, gem and meteorite specimens. His bridge building career included being involved with the Cincinnati-Covington Bridge, The Ojuela Mine Bridge, and the aforementioned Brooklyn Bridge. He was responsible for many technical... [Lire la suite]19 mai 2013
A small peachbloom monochrome porcelain vase, China, Qing Dynasty, 19th century
A small peachbloom monochrome porcelain vase, China, Qing Dynasty, 19th century. Photo Cambi Casa d'Aste
apocryphal Kangxi mark, fabric base, 15,5cm. Estimation : 1 000 / 1 500 €
Cambi Casa d'Aste. Mercredi 22 mai 2013. Castello Mackenzie - Mura di San Bartolomeo 16. Contact: Emilie Volka 0039 (0) 108395029 -emilie@cambiaste.com