Outstanding very large, well-formed, undamaged Tantalite-(Fe) crystal from the classic Alto Do Giz mine in Brazil. Certainly one of the better tantalite specimens I have seen from this famous mine, in excellent condition with perfect orthorhombic form, pleasing density (has been tested via specific gravity and is definitely tantalite, not columbite!). A serious example of this rare tantalum oxide mineral for the serious collector. From the noted collection of physicist and engineer Dr. George Kamin of Arcadia, California. Rare!
$2,500.00 Original price was: $2,500.00.$1,500.00Current price is: $1,500.00.
In stock
Species: Calcite, Uranophane
Locality: Grants Uranium District, McKinley County, New Mexico, USA
Size: 7.7 x 5.6 x 9.7 cm, 436 grams
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Species: Carnotite, Tyuyamunite, Uraninite
Locality: Ambrosia Lake District, McKinley County, New Mexico, USA
Size: 6.6 x 3.5 x 11.4 cm, 300 grams
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Species: Carnotite, Tyuyamunite, Uraninite
Locality: Ambrosia Lake District, McKinley County, New Mexico, USA
Size: 7.8 x 3.8 x 8.3 cm, 314 grams
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Species: Carnotite, Tyuyamunite, Uraninite
Locality: Ambrosia Lake District, McKinley County, New Mexico, USA
Size: 8.8 x 4.7 x 6.4 cm, 444 grams
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