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Fa's Blue Heaven Fara Shimbo Crystalline

Code: F5-3NO-E1
Modification Date: 2009-05-23 11:16:32
Member of Group: Crystal

Nickel teal crystals on a transparent amber ground

MaterialAmountPercent*Stat
Ferro 311050.047.6% 
Zinc Oxide27.025.7% 
Silica14.013.3% 
Spodumene5.04.8% 
Dolomite4.03.8% 
Titanium Dioxide2.01.9% 
Nickel Oxide3.02.9%c
 105.00  
* c-colorant, v-variegator, o-opacifier, s-suspender

Firing Schedule

Rate (C)Temp (C)Hold (Min)Step
10020001
20050002
500127003
999110004
10107505

Notes

This is so far the best base from which to obtain true nickel teal crystals (caused by nickel zinc silicate) on an amber ground (caused by nickel spinels). The glaze should be used within a day of being mixed for best results. It will take a lower firing but this will almost ensure the formation of hatrurite (calcium silicate) crystals so numerous that the blue zinc crystals have nowhere to grow.

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By Tony Hansen

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