ANSWER REVEALED IN COMMENTS BELOW
--------------------------------------------------------------------
MATERIAL: I am a potassium feldspar mineral.
DESCRIPTION: I am typically peach, orange, or tan and may show a subtle shimmering effect.
FORMATION: I form in igneous rocks as magma slowly cools.
METAPHYSICAL USES: I am said to support confidence, creativity, and personal power.
The one pictured below was found in Dust Devil Mine, Plush, Lake Co., Oregon, USA