Sunstone-Orange

Round (Mod. Big 2 - 145) (JJG); 4.78 Cts; 10.4 mm

$430.00

Type: Sunstone (Plagioclase/Orthoclase microcline)(high Cu valance state cu +1 verses +2)

Origin: Spectrum Mine Oregon

Weight: 4.78

Color: Orange

Cut: Round (Mod. Big 2 - 145) (JJG)

Clarity: VVS

Size: 10.4mm

Treatments: No Known Treatment

Genealogy: FOco Gems mined $ cut.

Hardness: 6.5

Source: Spectrum Mine, Oregon

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

Original stone rough: 20.12 cts cut to a 4.78 cts stone or 24 % of the original was retained.

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