Sunstone- Lemon Yellow

Type: Sunstone

Origin: Spectrum Mine Oregon

Weight: 0.9 cts

Color: Lemon Yellow

Cut: Square (checkerboard Princess-61)(JJG)

Clarity: VVS

Size: 5.16 mm

Treatments: No Known Treatment

Genealogy: FOco Gems mined $ cut.

Hardness: 6.5

Source: Classic material from the basalts of the high plains of Oregon.

Comments: Original stone rough:3.85cts cut to a 0.90 cts stone or 23% of the original was retained.

CaNa)(SiAl)4O8 with calcium (Ca) ranging from 70–50% and sodium (Na) from 30– 50%.