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Madoc Feldspar

ID: madoc-feldspar

Description

Potassium-based feldspar of historical origin.

Chemical Analysis

OxideAnalysisFormulaTolerance
k2o8.89%0.62-
na2o3.59%0.38-
al2o317.39%1.12-
sio268.63%7.50-
Oxide Weight646.85
Formula Weight646.85

Alternate Names

  • Madoc Spar
  • Madoc H Feldspar