Aeschynite-(Y) from the Clora May Mine (also known as the Mina Blanca or Clara May Lode) is a well-known rare-earth mineral specimen collected from the Trout Creek Pass Pegmatite District in Chaffee County, near Buena Vista and Newett, Colorado.
Key Details
• Mineral Species: Aeschynite-(Y), a rare-earth titanium-niobium oxide-hydroxide mineral.
• Locality: Clora May Mine (Trout Creek Pass Pegmatite District, Chaffee County, Colorado).
• Appearance & Characteristics: Typically forms black, well-formed orthorhombic crystals—sometimes featuring a thin yellow coating, dull brown metamict surfaces from weathering, or bright luster on fresh faces.
• Radioactivity: Specimens from this locality are radioactive due to the presence of thorium and/or uranium content.
About 80,000 cpm on Radiacode 110
Clora May Mine, Colorado
4.5x3.1x2 cm
58 grams
S2