Tantalite-(Fe) (Ref: CT66AM1)
Big Boulder Mine, Larimer County, Colorado USA
25mm x 21mm x 13mm
minID: M7U-YAX
Prismatic crystal with flat contacts at the back of the prism, parallel growths and polycrystalline formations with sharp terminal faces.The specimen, from an old historical mine, comes from the Carles Curto collection, whose label and catalogue entry we will send to the buyer.
Big Boulder Mine, Larimer County, Colorado USA
Specimen size: 2.5 × 2.1 × 1.3 cm = 0.98” × 0.83” × 0.51”
From: Fabre Minerals
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