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1.60 Carats Tantalite Gemstone
- SKU
- Dimenzije (mm)
- 5.910 x 5.730 x 2.300mm
- Težina (cts)
- 1.600
- Tip
- Faceted
- Boje
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mineral group tantalite [(Fe, Mn)Ta2O6] is the primary source of the chemical element tantalum, a corrosion (heat and acid) resistant metal. It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides. However, tantalite has a much greater specific gravity than columbite (8.0+ compared to columbite's 5.2).[3] Iron-rich tantalite is the mineral tantalite-(Fe) or ferrotantalite and manganese-rich is tantalite-(Mn) or manganotantalite.
- SKU
- Dimenzije (mm)
- 5.910 x 5.730 x 2.300 mm
- Težina (cts)
- 1.600
- Tip
- Faceted
- Boje
-
mineral group tantalite [(Fe, Mn)Ta2O6] is the primary source of the chemical element tantalum, a corrosion (heat and acid) resistant metal. It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides. However, tantalite has a much greater specific gravity than columbite (8.0+ compared to columbite's 5.2).[3] Iron-rich tantalite is the mineral tantalite-(Fe) or ferrotantalite and manganese-rich is tantalite-(Mn) or manganotantalite.
| Pružatelj usluge dostave | Dostava u Thailand | Dostava u ostatak svijeta |
|---|---|---|
| Standard Shipping - Tracked | $18.00 / :dani dani | $18.00 / :dani dani |
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:zemlja
Standard Shipping - Tracked je snižen na $22.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
Standard Shipping - Tracked je snižen na $22.00 na narudžbe s 2 ili više artikala
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| DHL | $28.00 / :dani dani | $28.00 / :dani dani |
|
:zemlja
DHL je snižen na $38.00 na narudžbe s 2 ili više artikala
Ostatak svijeta
DHL je snižen na $38.00 na narudžbe s 2 ili više artikala
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PozitivanVery nice tantalite and a much welcome addition to my hobby-collection. Thank you very much!
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Pozitivan
Very nice
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Pozitivan
Beautiful stone! Thank you!
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Pozitivan
Beautiful stone! Thank you!
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Pozitivan
Lovely stone. Received with thanks.
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Pozitivan
Stunning fire, heavy on the red and green. Makes me happy just looking at it.
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