Bass #47 Quintessence

Dolomite 10
Frit 3134 21
EPK 10
Kaolin (Calc.) 9
Custer feldspar 30
Spodumene 5
Whiting 15
Total 100

Na2O 0.11 Al2O3 0.31 SiO2 1.64
K2O 0.08 B2O3 0.16 P2O5 0.00
MgO 0.13 TiO2 0.00
CaO 0.65 Fe2O3 0.00
Li2O 0.03

Alumina:Silica ratio is 1.00:5.21
Neutral:Acid ratio is 1.00:3.45
Alk:Neut:Acid ratio is 1.00:0.48:1.64

Expansion: 83.7 x 10e-7 per degree C
Oxides causing abnormal expansion: Li2O B2O3