Sunstone-Orange - schiller see photos spectacular and rare stone

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

Origin: Spectrum Mine Oregon

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

Origin: Spectrum Mine Oregon

Weight: 5.96

Color: Orange

Cut: Oval (checker-81) (JJG)

Clarity: VVS

Size: 10.9 x12.7 mm

Treatments: No Known Treatment

Genealogy: FOco Gems mined $ cut.

Hardness: 6.5

Source: Spectrum Mine, Oregon

Comments: Spectacular Stone with strong Schiller, great color, and a super checkerboard cut - designed for this stone.

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

Original stone rough: 26 cts cut to a 5.96 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%.