feldspathic

Meanings

1. 1
   adj

   relating to, containing, or rich in feldspar

   Weathering of the feldspathic rock produced a pale clay-rich soil.

From feldspath, an older form of feldspar, + -ic. Feldspar comes from obsolete German Feldspath, formed from Feld, 'field,' + Spath, 'spar,' the name of the widespread rock-forming mineral group.

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