RARE 12ct BLACK Gold In Quartz (Also known in the trade as Midnight Gold)

Sheep Ranch mine CA
Mounted in Solid 18k Yellow Gold

Very rich gold veins in the black quartz matrix, almost impossible to find this grade black gold quartz anymore.
 
“Gold Bearing Quartz” is a natural gemstone that is usually mined deep underground. Finding snowy white quartz with visible veins of pure gold is extremely difficult. Most of the time, gold mined in quartz is found in microscopic amounts, not at all visible. This very rare stone is cut into slabs, revealing the gold vein. They are then cut, shaped, polished and mounted into a 14 or 18k gold mounting. Because of the veining of the gold, each piece of jewelry is one of a kind! We make this rare stone into wonderful pieces for both men and women in rings, bracelets, earrings, cuff links, and anything else you might imagine.
 
Specifications:
 
Weight: 13.2 Grams
 
Stones: Large 12ct Rectangular cut Gold bearing quartz gemstone 
 
Size & Measurements: The ring is a Size 10.5 (US) . Can be resized. 
 
Metal & Hallmark: 18 karat solid yellow gold (ring) and 22-24kk pure gold veins in the specimen cab.
Ring hallmarked 750 (18k).