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gemstone main cabochon creation
min data

Mineral: feldspar
Gem: sunstone
Size: 7 mm x 9 mm & 6 mm x 11 mm
Carat: 2.8 ct & 3.25 ct
Cut: Opposed bar & emerald cut
Origin: Dust Devil Mine (Oregon) link to mine
Genral Info: The generic term "feldspar" comes from the Germanic term "feldt spat", meaning "mineral with prominent cleavage from the field". It was a prime constituent of many of the rocks over turned by farmers while plowing their fields. The feldspars are made up of three fundamental members and a wide number of chemical mixtures.
Additional Information
The author cut these two stones from rough obtained from the Dust Devil Mine. The top stone is a "opposed bar cut" cut modified from a design by Jeff Grahm (Di-Ag opp0sed= from his Designs #4 book). The bottom cut is a simplified emerald cut.