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

Yenziwe ngu-

Mary

17. uMfumfu 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.
Ophakathi
About a week

Imiyalelo

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.

Izinto zokwakha zalesi sinyathelo:

Ubumba be-terracottaUbumba be-terracotta5 kg

Amathuluzi adingekayo:

Ubhavu wokhuniUbhavu wokhuni
AmanziAmanzi
Isigwedlo sokhuniIsigwedlo sokhuni
Isisefo EsicolekileIsisefo Esicolekile
Isikali sesilinganisoIsikali sesilinganiso
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.

Amathuluzi adingekayo:

Ubhavu wokhuniUbhavu wokhuni
IbhakedeIbhakede
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.

Amathuluzi adingekayo:

IbhakedeIbhakede
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.

Amathuluzi adingekayo:

IbhakedeIbhakede
Ijeke LengilaziIjeke Lengilazi
5

How much is fine enough?

Ilayisha incwadi ye-Jupyter…

Izinto

1

Amathuluzi Adingekayo

7

Le blueprint yenza

Thumbnail
Isibambeli

I-slip ecolisisiwe enothe ngensimbi

Free

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Ama-blueprint ahlobene

Lama-blueprint abelana ngolwazi — amasu, izinto noma izimiso

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

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

ngu-ClayDK

Ubumba Nodaka

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

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

ngu-ClayDK

Ubumba Nodaka

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

Red Slip: Terracotta Clay Stirred into Water and Sieved

ngu-MaryFI

Ubumba Nodaka

5
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0
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CC0 Isizinda Somphakathi

Le blueprint ikhishwe ngaphansi kwe-CC0. Ukhululekile ukukopisha, ukuguqula, ukusabalalisa, nokusebenzisa ngaphandle kwemvume.

Sekela uMenzi ngokuthenga imikhiqizo nge-Blueprint yabo IKhomishane Yomenzi kumiswe ngabathengisi, noma dala inguqulo entsha yale Blueprint bese uyifaka njengoxhumaniso ku-Blueprint yakho ukuze wabelane ngemali engenayo.

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