SlovenščinaCatalogue of Slovene clays

sample46Kanižarica · White Carniola

45.555671 15.166867

Collected by Martin Skoliber

Martin Skoliber's Colourful Bowls – Kanižarica · White Carniola
Martin Skoliber's Colourful Bowls
Photo Martin Skoliber

Magical Clay of the White Carniola Region

We become familiar with clay at our early age. We crawl on soil, grass, water and everywhere else. Parents are not too happy with it. Most parents succeed in preventing us from not doing this anymore. Some succeed in staying in the mud forever. The White Carniola region geographically belongs to the Pannonian Sea, which filled the beautiful valley with seawater. After millennia, the water ran out. The mud was left. People came. With the great desire for survival, they learned the process of firing clay. With the great desire for progress, this process was also (abandoned) forgotten.

Martin Skoliber

Sample 46 is clay from Kanižarica (White Carniola). The recommended firing temperature is 900–1100 °C. The beginning of sintering is at 1100–1250 °C. At 1100 °C shrinkage is 12 % and porosity 7 %.

Clay samples

  1. Sample 46 – 800 °C800 °C
  2. Sample 46 – 900 °C900 °C
  3. Sample 46 – 1000 °C1000 °C
  4. Sample 46 – 1100 °C1100 °C
  5. Sample 46 – 1200 °C1200 °C
segrevanjeheating uppriporočena temp. žganjarecommended firing temperatureszačetek sintranjathe beginning of sinteringmehčanjesofteningžganje/firing °C%%00224466881010121214141616181820202222suha glina/dry clay900 °C1000 °C1100 °C1200 °C1300 °C
  • segrevanje
    heating up
  • priporočena temp. žganja
    recommended firing temperatures
  • začetek sintranja
    the beginning of sintering
  • mehčanje
    softening
%048121620suhadry9001000110012001300°C
poroznost/porosity %skrčki/shrinkage %

Clay preparation for testing

  1. unprocessed clayunprocessed clay
  2. sifted and dried claysifted and dried clay
  3. 012341.00.20.05%grain size in mm
  4. 2.5 % = 1.0 mm2.5 % = 1.0 mm
  5. 0.4 % = 0.2 mm0.4 % = 0.2 mm
  6. 0.3 % = 0.05 mm0.3 % = 0.05 mm