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Home / Members video course: How Glazes Work

Members video course: How Glazes Work

This content is for Online video “How Glazes Work” course student members only.
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Everything is dishwasher and microwave safe, except for the handmade cake stands.

All the handmade pottery is made by Linda in her studio in west London. All the manufactured pottery is made to Linda's designs.

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Linda Bloomfield

@lindathepotter

1 day ago
3 days ago
4 days ago
5 days ago
6 days ago
1 week ago
1 week ago
1 week ago
2 weeks ago

View on Instagram

We opened the kiln @eltallerdeceramica.artcentre this morning to find that it hadn’t reached temperature. This was a good opportunity to see what happened halfway through the firing. It may have reached 1150°C, so a few of the glazes started to melt but most remained dry and powdery.

These were supposed to be cone 9 copper blue chun glazes and a manganese metallic glaze. The silicon carbide in the chun has made it bubble. The manganese glaze has crawled.

The kiln will be refired next week and the results sent out.

#glaze #underfired #kilntrouble #glazetests #cone9

We opened the kiln @eltallerdeceramica.artcentre this morning to find that it hadn’t reached temperature. This was a good opportunity to see what happened halfway through the firing. It may have reached 1150°C, so a few of the glazes started to melt but most remained dry and powdery.

These were supposed to be cone 9 copper blue chun glazes and a manganese metallic glaze. The silicon carbide in the chun has made it bubble. The manganese glaze has crawled.

The kiln will be refired next week and the results sent out.

#glaze #underfired #kilntrouble #glazetests #cone9

@lindathepotter

•

We opened the kiln @eltallerdeceramica.artcentre this morning to find that it hadn’t reached temperature. This was a good opportunity to see what happened halfway through the firing. It may have reached 1150°C, so a few of the glazes started to melt but most remained dry and powdery. These were supposed to be cone 9 copper blue chun glazes and a manganese metallic glaze. The silicon carbide in the chun has made it bubble. The manganese glaze has crawled. The kiln will be refired next week and the results sent out. #glaze #underfired #kilntrouble #glazetests #cone9

1 day ago

View on Instagram |

1/9

Another good day mixing up glazes with help from Tania @coworkartcentre and Mari Angeles @eltallerdeceramica.artcentre . They will fire the glaze tests tomorrow in their very efficient gas kiln and we’ll see the results the next day.

#glazeworkshop #glazetests #glazes #ceramics #potterystudio #malaga

@lindathepotter

•

Another good day mixing up glazes with help from Tania @coworkartcentre and Mari Angeles @eltallerdeceramica.artcentre . They will fire the glaze tests tomorrow in their very efficient gas kiln and we’ll see the results the next day. #glazeworkshop #glazetests #glazes #ceramics #potterystudio #malaga

3 days ago

View on Instagram |

2/9

Beautiful shady courtyards at Palacio de Viana in Cordoba. It was a really hot day so we enjoyed sitting in the shade. There were 13 different courtyard gardens with orange trees trained up the walls, palm trees, fountains, potted plants, geraniums in pots hung on the walls, clipped box hedges and goldfish ponds.

#cordoba #gardeninspiration #courtyardgarden #palaciodevianacórdoba

Beautiful shady courtyards at Palacio de Viana in Cordoba. It was a really hot day so we enjoyed sitting in the shade. There were 13 different courtyard gardens with orange trees trained up the walls, palm trees, fountains, potted plants, geraniums in pots hung on the walls, clipped box hedges and goldfish ponds.

#cordoba #gardeninspiration #courtyardgarden #palaciodevianacórdoba

Beautiful shady courtyards at Palacio de Viana in Cordoba. It was a really hot day so we enjoyed sitting in the shade. There were 13 different courtyard gardens with orange trees trained up the walls, palm trees, fountains, potted plants, geraniums in pots hung on the walls, clipped box hedges and goldfish ponds.

#cordoba #gardeninspiration #courtyardgarden #palaciodevianacórdoba

Beautiful shady courtyards at Palacio de Viana in Cordoba. It was a really hot day so we enjoyed sitting in the shade. There were 13 different courtyard gardens with orange trees trained up the walls, palm trees, fountains, potted plants, geraniums in pots hung on the walls, clipped box hedges and goldfish ponds.

#cordoba #gardeninspiration #courtyardgarden #palaciodevianacórdoba

Beautiful shady courtyards at Palacio de Viana in Cordoba. It was a really hot day so we enjoyed sitting in the shade. There were 13 different courtyard gardens with orange trees trained up the walls, palm trees, fountains, potted plants, geraniums in pots hung on the walls, clipped box hedges and goldfish ponds.

#cordoba #gardeninspiration #courtyardgarden #palaciodevianacórdoba

@lindathepotter

•

Beautiful shady courtyards at Palacio de Viana in Cordoba. It was a really hot day so we enjoyed sitting in the shade. There were 13 different courtyard gardens with orange trees trained up the walls, palm trees, fountains, potted plants, geraniums in pots hung on the walls, clipped box hedges and goldfish ponds. #cordoba #gardeninspiration #courtyardgarden #palaciodevianacórdoba

4 days ago

View on Instagram |

3/9

Malaga is a lovely place to visit in the spring. I’m teaching two glaze workshops here.

#spain #malaga #torremolinas #benalmadena

Malaga is a lovely place to visit in the spring. I’m teaching two glaze workshops here.

#spain #malaga #torremolinas #benalmadena

Malaga is a lovely place to visit in the spring. I’m teaching two glaze workshops here.

#spain #malaga #torremolinas #benalmadena

Malaga is a lovely place to visit in the spring. I’m teaching two glaze workshops here.

#spain #malaga #torremolinas #benalmadena

@lindathepotter

•

Malaga is a lovely place to visit in the spring. I’m teaching two glaze workshops here. #spain #malaga #torremolinas #benalmadena

5 days ago

View on Instagram |

4/9

Lovely group on the glaze course @eltallerdeceramica.artcentre @coworkartcentre Thank you for all your help Tania and Mari Angeles. Looking forward to doing it again next weekend. In the meantime I’m having a few days holiday in sunny Spain.

#glazeworkshop #eltallerdecaramica #malaga #glaze #potterystudio

Lovely group on the glaze course @eltallerdeceramica.artcentre @coworkartcentre Thank you for all your help Tania and Mari Angeles. Looking forward to doing it again next weekend. In the meantime I’m having a few days holiday in sunny Spain.

#glazeworkshop #eltallerdecaramica #malaga #glaze #potterystudio

@lindathepotter

•

Lovely group on the glaze course @eltallerdeceramica.artcentre @coworkartcentre Thank you for all your help Tania and Mari Angeles. Looking forward to doing it again next weekend. In the meantime I’m having a few days holiday in sunny Spain. #glazeworkshop #eltallerdecaramica #malaga #glaze #potterystudio

6 days ago

View on Instagram |

5/9

I learn something new every time I teach a glaze workshop. It’s important to try to work out not just what happened but why it happened.

One of the glazes crawled expectedly. Materials that cause crawling are clay and zinc oxide. In this case it wasn’t clay, because that would have made the glaze matt, so I think in this case that too much zinc oxide might have been added.

Another glaze came out speckled because it was stirred but not sieved.

Some of the crystalline matt glazes came out more glossy than usual because we fired higher and the kiln cooled very quickly. Some colouring oxides such as nickel and chromium make the glaze more matt, while others including copper, iron and manganese
flux the glaze and make it more fluid and glossy.

#glazetests #crawlglaze #olispot #speckledglaze #crystallineglaze #glazeworkshop

I learn something new every time I teach a glaze workshop. It’s important to try to work out not just what happened but why it happened.

One of the glazes crawled expectedly. Materials that cause crawling are clay and zinc oxide. In this case it wasn’t clay, because that would have made the glaze matt, so I think in this case that too much zinc oxide might have been added.

Another glaze came out speckled because it was stirred but not sieved.

Some of the crystalline matt glazes came out more glossy than usual because we fired higher and the kiln cooled very quickly. Some colouring oxides such as nickel and chromium make the glaze more matt, while others including copper, iron and manganese
flux the glaze and make it more fluid and glossy.

#glazetests #crawlglaze #olispot #speckledglaze #crystallineglaze #glazeworkshop

I learn something new every time I teach a glaze workshop. It’s important to try to work out not just what happened but why it happened.

One of the glazes crawled expectedly. Materials that cause crawling are clay and zinc oxide. In this case it wasn’t clay, because that would have made the glaze matt, so I think in this case that too much zinc oxide might have been added.

Another glaze came out speckled because it was stirred but not sieved.

Some of the crystalline matt glazes came out more glossy than usual because we fired higher and the kiln cooled very quickly. Some colouring oxides such as nickel and chromium make the glaze more matt, while others including copper, iron and manganese
flux the glaze and make it more fluid and glossy.

#glazetests #crawlglaze #olispot #speckledglaze #crystallineglaze #glazeworkshop

I learn something new every time I teach a glaze workshop. It’s important to try to work out not just what happened but why it happened.

One of the glazes crawled expectedly. Materials that cause crawling are clay and zinc oxide. In this case it wasn’t clay, because that would have made the glaze matt, so I think in this case that too much zinc oxide might have been added.

Another glaze came out speckled because it was stirred but not sieved.

Some of the crystalline matt glazes came out more glossy than usual because we fired higher and the kiln cooled very quickly. Some colouring oxides such as nickel and chromium make the glaze more matt, while others including copper, iron and manganese
flux the glaze and make it more fluid and glossy.

#glazetests #crawlglaze #olispot #speckledglaze #crystallineglaze #glazeworkshop

I learn something new every time I teach a glaze workshop. It’s important to try to work out not just what happened but why it happened.

One of the glazes crawled expectedly. Materials that cause crawling are clay and zinc oxide. In this case it wasn’t clay, because that would have made the glaze matt, so I think in this case that too much zinc oxide might have been added.

Another glaze came out speckled because it was stirred but not sieved.

Some of the crystalline matt glazes came out more glossy than usual because we fired higher and the kiln cooled very quickly. Some colouring oxides such as nickel and chromium make the glaze more matt, while others including copper, iron and manganese
flux the glaze and make it more fluid and glossy.

#glazetests #crawlglaze #olispot #speckledglaze #crystallineglaze #glazeworkshop

@lindathepotter

•

I learn something new every time I teach a glaze workshop. It’s important to try to work out not just what happened but why it happened. One of the glazes crawled expectedly. Materials that cause crawling are clay and zinc oxide. In this case it wasn’t clay, because that would have made the glaze matt, so I think in this case that too much zinc oxide might have been added. Another glaze came out speckled because it was stirred but not sieved. Some of the crystalline matt glazes came out more glossy than usual because we fired higher and the kiln cooled very quickly. Some colouring oxides such as nickel and chromium make the glaze more matt, while others including copper, iron and manganese flux the glaze and make it more fluid and glossy. #glazetests #crawlglaze #olispot #speckledglaze #crystallineglaze #glazeworkshop

1 week ago

View on Instagram |

6/9

Some great results from the glaze workshop @eltallerdeceramica.artcentre : oilspot with white cover glaze, oilspot with iron and vanadium, crystalline glaze, crawl glazes and lava glazes with iron, nickel and titanium. Fired to cone 10 in a gas kiln in oxidation.

#specialeffectglazes #oilspot #crystalglaze #crawlglaze #lavaglaze #glazeworkshop

Some great results from the glaze workshop @eltallerdeceramica.artcentre : oilspot with white cover glaze, oilspot with iron and vanadium, crystalline glaze, crawl glazes and lava glazes with iron, nickel and titanium. Fired to cone 10 in a gas kiln in oxidation.

#specialeffectglazes #oilspot #crystalglaze #crawlglaze #lavaglaze #glazeworkshop

Some great results from the glaze workshop @eltallerdeceramica.artcentre : oilspot with white cover glaze, oilspot with iron and vanadium, crystalline glaze, crawl glazes and lava glazes with iron, nickel and titanium. Fired to cone 10 in a gas kiln in oxidation.

#specialeffectglazes #oilspot #crystalglaze #crawlglaze #lavaglaze #glazeworkshop

Some great results from the glaze workshop @eltallerdeceramica.artcentre : oilspot with white cover glaze, oilspot with iron and vanadium, crystalline glaze, crawl glazes and lava glazes with iron, nickel and titanium. Fired to cone 10 in a gas kiln in oxidation.

#specialeffectglazes #oilspot #crystalglaze #crawlglaze #lavaglaze #glazeworkshop

Some great results from the glaze workshop @eltallerdeceramica.artcentre : oilspot with white cover glaze, oilspot with iron and vanadium, crystalline glaze, crawl glazes and lava glazes with iron, nickel and titanium. Fired to cone 10 in a gas kiln in oxidation.

#specialeffectglazes #oilspot #crystalglaze #crawlglaze #lavaglaze #glazeworkshop

@lindathepotter

•

Some great results from the glaze workshop @eltallerdeceramica.artcentre : oilspot with white cover glaze, oilspot with iron and vanadium, crystalline glaze, crawl glazes and lava glazes with iron, nickel and titanium. Fired to cone 10 in a gas kiln in oxidation. #specialeffectglazes #oilspot #crystalglaze #crawlglaze #lavaglaze #glazeworkshop

1 week ago

View on Instagram |

7/9

A busy day making glaze tests on my workshop in Malaga @eltallerdeceramica.artcentre

Tomorrow the test tiles will be fired in a gas kiln and then we’ll see the results the next day.

#glazetests #glazeworkshop #colouringlazes #glaze

A busy day making glaze tests on my workshop in Malaga @eltallerdeceramica.artcentre

Tomorrow the test tiles will be fired in a gas kiln and then we’ll see the results the next day.

#glazetests #glazeworkshop #colouringlazes #glaze

A busy day making glaze tests on my workshop in Malaga @eltallerdeceramica.artcentre

Tomorrow the test tiles will be fired in a gas kiln and then we’ll see the results the next day.

#glazetests #glazeworkshop #colouringlazes #glaze

@lindathepotter

•

A busy day making glaze tests on my workshop in Malaga @eltallerdeceramica.artcentre Tomorrow the test tiles will be fired in a gas kiln and then we’ll see the results the next day. #glazetests #glazeworkshop #colouringlazes #glaze

1 week ago

View on Instagram |

8/9

Teapot with drippy glaze 💧

#porcelain #teapot #drippyglaze #ceramics #glaze

@lindathepotter

•

Teapot with drippy glaze 💧 #porcelain #teapot #drippyglaze #ceramics #glaze

2 weeks ago

View on Instagram |

9/9

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