Finished Oregon Sunstone
by Bruce Maher at Contraluzopal.com

Oregon Sunstone is a feldspar crystal found in basalt formations. Few places in the world have sunstone that contain copper. This copper causes the many colors that Oregon Sunstone is noted for. Rarely Oregon Sunstone is found to be color change and dichroic or trichroic.
Hardness 6.5 to 7.0 Crystal Structure Triclinic
Refractive Index 1.55 to 1.57 Critical Angle 42°
Specific Gravity 2.70 Best if cut at 43° or higher on pavilion







su-0014t.jpg sunstone SU-00144.25 ct11.0mm round$315.00
brilliant cut faces pink / transmits green strong shift change to green in fluorescent moderate wispy schiller. Dust Devil Mine.
su-0015t.jpg sunstone SU-00156.31 ct12.2mm round$470.00
A high crown brilliant cut in pink / green strong color change moderate color shift with parallel schiller to table. Dust Devil Mine 2004.
su-0016t.jpg sunstone SU-00165.02 ct12.0mm round$225.00
A standard split main brilliant cut of light yellow base Table turns to a celery green in some lights. Moderate color change.











Previous Page  Main Page

Copyright © 2006 Contraluzopal.com Bruce StJohn Maher,  g.c.f.r.
Bruce StJohn Maher, Oregon sunstone cutter and glass bead artist. Cutting, lapidary work, faceting, of sunstone.
finished, color change, gemstone, Dust Devil Mines, faceted sun stone, gem, contra luz opal, shiller, cabochon, color, flash