Eagle Rock Plume Agate Rough – Black Marcasite Plume with Botryoidal – Old Stock Shirley Quant
This stunning old stock Eagle Rock Plume Agate shows black marcasite plume and some neat botryoidal surfaces. It has good slab potential, and while the plumes are very large, they sit in nice translucent agate that keeps them well-defined and distinct. A vintage piece of Central Oregon plume history.
SPECIFICATIONS
• Material: Natural Eagle Rock Plume Agate
• Dimensions: 110mm x 79mm x 66mm (Inches - 4.3" x 3.1" x 2.6")
• Weight: 477 grams (1 lb 0.8 oz)
• Rarity: Uncommon
• Origin: Near Prineville, Central Oregon, USA
• Condition: Natural rough, unpolished
Eagle Rock Plume Agate is a classic old stock material from Central Oregon near Prineville, representing important Oregon rockhounding history. Discovered in the 1940s by Shirley Quant, mining was delayed when someone else claimed it during his military service. The material features a variety of colors, well-defined moss agate, and red rhyolite that polishes nicely. Some pieces display multicolored moss that creates exceptional cabochons highly valued by collectors.
WHAT MAKES IT SPECIAL
The combination of marcasite plume and botryoidal exterior makes this an interesting old stock specimen. Shirley Quant’s 1940s discovery remains a cornerstone Oregon plume material.
PERFECT FOR
• Slab production
• Plume cabochon cutting
• Oregon plume collectors
PHOTO NOTE: Photographed wet. Natural rough may show surface texture. Colors vary on monitors.
Rough stones may contain natural fractures, pits, or inclusions typical of unpolished material.
This listing is for the exact piece shown in photos.
