Tantalite-(Fe) Tantalite-(Fe)
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Tantalite-(Fe) (Ref: CT66AM1)

Big Boulder Mine, Larimer County, Colorado  USA
25mm x 21mm x 13mm
minID: M7U-YAX
$160 *
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”
Data last checked on 5th Jun 2023Buy now from Fabre Minerals

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See Also

Tantalite-(Fe) with Cassiterite, Albite and Muscovite
Lavra da Golconda, Governador Valadares, Minas Gerais, Brazil
60mm x 40mm x 20mm
Big Indian Mine, La Sal, San Juan County, Utah, USA
25mm x 20mm x 18mm
Azurite on Malachite
Blue Crystal Mine (formerly the Big Indian Copper Mine), San Juan County, Utah. United States.
$102 *
33mm x 25mm x 15mm
Azurite with Malachite
Big Indian Copper Mine, San Juan County, Utah. USA.
$267 *
75mm x 45mm x 15mm
Andradite & Grossular (garnet group)
San Pedro Mine, New Placers District, Santa Fe County, New Mexico, USA
59mm x 35mm x 23mm
Plumbogummite - dark blue replacing Pyromorphite
Daoping Mine, Gongcheng County, Guilin Prefecture, Guangxi Province, China
50mm x 45mm x 33mm
Lanarkite with minor Cerussite
C and B Mine, Christmas, Banner Mining District, Gila County, Arizona, United States
46mm x 40mm x 27mm
Petzite with Gold etc.
#5 Level, Rex Mine, Gold Hill District, Boulder County, Colorado, United States
38mm x 26mm x 13mm
Defiance Mine, Gleeson, Cochise County, Arizona, USA
57mm x 40mm x 17mm
Defiance Mine, Gleeson, Cochise County, Arizona, USA
50mm x 25mm x 25mm
Sweet Home Mine, Mount Bross, Buckskin Gulch, Alma District, Park County, Colorado
93mm x 55mm x 32mm
Henderson Mine, west of Empire, Dailey District (Jones Pass District), Clear Creek County, Colorado
102mm x 64mm x 38mm
Chalcedony on Smoky Quartz “casts” after Laumontite
Buck Mine, Cripple Creek District, Teller County, Colorado
67mm x 61mm x 37mm
Quartz (Casts after Stibnite) with Stibnite
Murray Mine, Independence Mountains District, Independence Mts., Elko County, Nevada, USA
91mm x 51mm x 42mm
Elbaite tourmaline
Himalaya Mine, Mesa Grande District, Mesa Grande, San Diego County, California, USA
36mm x 8mm x 7mm
* price is an approximate conversion and may not be accurate.

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