how to facet
gemstone main cabochon creation
min data

Mineral: quartz
Gem: horse canyon agate (cryptocrystalline)
Size: 21x47 mm & 17x43 mm
Carat: 37.5 ct & 27.2 ct
Cut: freeform cabochon
Origin: California
General Info: Agate (achates) was named from the river Achates, now the Drillo, in Sicily, where the stone was first identified. It is cryptocrystalline quartz (micro crystals) usually with a banded pattern (although not always).
Additional Information
Found in Horse Canyon, Tehachapi , California. The site is closed to collection now. The moss can be green to tan in color and has a very "open" almost spider-webby structure. The most desired from the area is the wide up structure moss, it is one of the most distinctive characteristics. The agate also has a translucent base and may contain fortifications.

Cabs cut by the author.

Closeup of horse canyon
Closeup of horse canyon