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Refined Iron-Rich Clay Slip: the Finest Fraction Settled Out for Black Gloss
Mary

Yaremwe na

Mary

17. Ukwakira 2026FI
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Refined Iron-Rich Clay Slip: the Finest Fraction Settled Out for Black Gloss

The black gloss of Greek vases is a slip of the same iron-rich clay as the pot, made only of its finest particles. Fired in three stages, oxidising, reducing and reoxidising, it stays glossy black while the body turns back to red. Stir the clay in water, let the coarse part settle, and keep only the finest. The picture: our diagram, clay in water, coarse settled, fine slip kept.
Hagati
About a week

Amabwiriza

1

Slake

Break the dry clay small and soak it in plenty of water in a tub until it falls apart. Stir it thin and sieve out grit.

Ibikoresho by'iyi ntambwe:

Ibumba rya terakotaIbumba rya terakota5 kg

Ibikoresho bikenewe:

Ikibindi cy'imbahoIkibindi cy'imbaho
AmaziAmazi
Ikiyiko kinini cy'igitiIkiyiko kinini cy'igiti
Ishungura ritoIshungura rito
Umunzani w'ibiroUmunzani w'ibiro
2

Settle and pour off

Let it stand until the coarse part has settled, then pour off the still-cloudy water into a clean bucket, leaving the sediment.

Ibikoresho bikenewe:

Ikibindi cy'imbahoIkibindi cy'imbaho
IndoboIndobo
3

Repeat

Let the poured-off water settle again and pour off once more; each round keeps only finer particles. Stop after two or three rounds.

Ibikoresho bikenewe:

IndoboIndobo
4

Thicken

Let the last bucket stand for days until the fine clay settles, pour off the clear water and keep the thick slip covered.

Ibikoresho bikenewe:

IndoboIndobo
Icupa ry'IkirahureIcupa ry'Ikirahure
5

How much is fine enough?

Gupakira ikaye ya Jupyter…

Ibikoresho

1

Ibikoresho bikenewe

7

Iki gishushanyo gikora

Thumbnail
Agateganyo

Ibumba ryoroshye ryatunganyijwe rifite ibyuma byinshi

Free

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Blueprint zijyanye

Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame

Greek Red-Figure Pottery — Creating Red-Figure Pottery by Slip Reservation

Greek Red-Figure Pottery — Creating Red-Figure Pottery by Slip Reservation

na ClayDK

Amabumba n'Ibumba

83
0
0
0
0
0
Greek Black-Figure Pottery — Painting Black-Figure Pottery with Iron Slip

Greek Black-Figure Pottery — Painting Black-Figure Pottery with Iron Slip

na ClayDK

Amabumba n'Ibumba

101
0
0
0
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Red Slip: Terracotta Clay Stirred into Water and Sieved

Red Slip: Terracotta Clay Stirred into Water and Sieved

na MaryFI

Amabumba n'Ibumba

5
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0
0
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CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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