Sunstone (feldspar) from this gem field comes in a variety of colors. Most common is a light straw-yellow color. Most highly prized is the deeply saturated reddish-orange sunstone (Hence the name "Sunstone"). The reddish color is a result of trace amounts of copper. When the copper is present as tiny platelets, light can reflect from the surface of the platelets and cause an iridescence termed "Schiller." This gem has multiple layers of Schiller that are nearly perpendicular to the table of the stone. The copper platetlets in this gem are very small and are not especially noticeable. This gemstone would look beautiful as the centerpiece of a pendant, pin, or occasional-use ring.

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