sunstone

[ suhn-stohn ]

/ ˈsʌnˌstoʊn /

a reddish variety of oligoclase feldspar, used as a gem, having a red and bright-yellow play of color.

Origin of sunstone

Middle English word dating back to 1350–1400; see origin at sun, stone

Sunstone is a feldspar which includes tiny flakes or spangles of some other mineral.

A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public |Frank Bertram Wade
He loved the red gold of the sunstone, and the moonstone's pearly whiteness, and the broken rainbow of the milky opal.

The Picture of Dorian Gray |Oscar Wilde
Sunstone culture because of the sun worship and the megaliths.

The Outline of History: Being a Plain History of Life and Mankind |Herbert George Wells
She set down the glass and rubbed the sunstone on her finger.

Little Fuzzy |Henry Beam Piper

On the fifteenth chunk, he got an interruption pattern that told him that a sunstone—or something, probably something—was inside.

Little Fuzzy |Henry Beam Piper

sunstone

/ (ˈsʌnˌstəʊn) /

another name for aventurine (def. 2)

C17: so called because it contains red and gold flecks which reflect the light