Ru stoneware bottle with globular body, long neck, flaring mouthrim, and high splayed foot. The vase has a copper bound mouthrim, and thick, greyish lavender glaze with greenish tones, and a fine crackle stained grey in places.
- Made in: Henan (province)
- (Asia,China,Henan (province))
- Height: 248 millimetres
- Diameter: 156 millimetres
- Diameter: 88 millimetres (base)
- Diameter: 50 millimetres (mouth)
Published PDF date : Northern Song early 12thCRoom 95 label text:
Bottle with copper rim mount
Song dynasty authors describe the Ru glaze as containing powdered agate which was mined locally to the Qingliangsi kiln site. The fine bluish colour of this glaze is in fact due to dissolved iron-oxide, together with very low levels of titanium dioxide. Titanium has a yellowing effect on glaze-colour and usually encourages a green tone in most Chinese celadons. A yellow cast can also come from coal-firing but the Ru ware potters seem to have practised wood-firing, even though most north Chinese kilns at this time were fired with coal. Archaeologists discovered a related slim-necked vase with flaring foot and mouth in the Qingliangsi kiln site.
Stoneware with celadon glaze
Qingliangsi, Baofeng county, Henan province 河南省，寳豐縣，清凉寺
Northern Song dynasty, about AD 1086–1125
20 February 2009
Reason for treatment
Clean metal mount and fill chip.
The object is stable, it presents two small chips beside the rim. The metal rim is also stable.
The metal rim was light cleaned with Industrial methylated spirits (ethanol,methanol) on a cotton swab. The chipped areas were filled with Fynebond which was bulked heavily with Aerosil 805 fumed silica and coloured with artists' dry ground pigments. Resin was applied with a metal spatula, allowed to cure fully for 2 days, then softened with Acetone on a cotton wool swabs and shaved back to the correct size. Resin was allowed to cure for a further 2 days before being polished with Micromesh fine abrasive cloth (silicon carbide/aluminium oxide) grades 2400, 3200, 3600, 4000, 6000, 8000 and 12000. The fills were retouched with Golden acrylic paints.The surface of the object was cleaned with distilled water and a few drops of Synperonic X, using cotton wool swabs. Then the surface was rinsed with distilled water on cotton wool and wiped with a dry Kleenex tissue to remove any remaining distilled water.
Yorke Hardy 1953 records: Ex Eumorfopoulos Collection, "Catalogue", Vol VI, No. E368 and pl. 75.
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Object reference number: RRC38480
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