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Crystal No. 8 Mine (Luella Mine), Trout Creek Pass pegmatite District, Buena Vista, Chaffee Co., Colorado, USA

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Allanite-(Ce) : {CaCe}{Al2Fe2+}[O|OH|SiO4|Si2O7]

Crystal No. 8 Mine (Luella Mine), Trout Creek Pass pegmatite District, Buena Vista, Chaffee Co., Colorado, USA

Crystals on albite matrix; 5x5x3.5; No allanite to be found here these days. Specimen obtained from old collection.
Photo ID: 142702    View Count: 156

Multiple photos availableEuxenite-(Y) : (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

Crystal No. 8 Mine (Luella Mine), Trout Creek Pass pegmatite District, Buena Vista, Chaffee Co., Colorado, USA

Dimensions 5x4x4 cm, radioactivity 1.6mR/hr. Shiny black interior is seen on broken surfaces. It is difficult to extract the euxenite unbroken from the quartz at this site. Collected March 2009 by Dean Allum
Photo ID: 245088    View Count: 35

Polycrase-(Y) : (Y,U)(Ti,Nb)2O6

Crystal No. 8 Mine (Luella Mine), Trout Creek Pass pegmatite District, Buena Vista, Chaffee Co., Colorado, USA

Another one from the newly exposed area; 6x4x3cm; 136gm; Specimen collected by Rudy Bolona.
Photo ID: 142700    View Count: 130

Polycrase-(Y) : (Y,U)(Ti,Nb)2O6

Crystal No. 8 Mine (Luella Mine), Trout Creek Pass pegmatite District, Buena Vista, Chaffee Co., Colorado, USA

Specimen showing some crystal faces; 3x3x3cm; Only small fragments found on dump. I had a hunch about an area on pegmatite wall and removed about a 400 lb. section revealing several large specimens.
Photo ID: 142699    View Count: 110
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