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Black & Tan Clay

ID: black-tan-clay

Description

The Black & Tan Clay was sourced from HC Spinks during the 1970s.

Chemical Analysis

OxideAnalysisFormulaTolerance
cao0.42%0.04-
k2o1.01%0.05-
mgo0.37%0.04-
na2o0.43%0.03-
tio20.36%0.02-
al2o321.65%1.00-
sio264.75%5.08-
fe2o31.60%0.05-
Oxide Weight426.80
Formula Weight471.44

Alternate Names

  • Blank and Tan Clay
  • Ball & Tan Ball Clay