Research
This is a nice Strontium-matte glaze coloured with Nickel. I was curious to this glaze because it is matt while the Si:Al ratio is 7.98 on UMF (Glazy).
So I researched this glaze and discovered nice purple colours.
Recipe:
Neph Sy 36
Kwarts 25
Strontium 18
Ball clay 12
Zink ox 9
Ni carb 2.2
Firing: oxidation
1260°C (PTCR-ring: 1280°C)
Natural cooling
My favorite purple: