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CC48784

FERBERITE with ARSENOPYRITE and PYRITE

FERBERITE with ARSENOPYRITE and PYRITE

Size:
35 x 111 x 82 mm
Weight:
932 g
£700.00 GBP
£700.00 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Item held in the UK store
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Detailed information

Species Ferberite, Arsenopyrite, Pyrite
Dimensions 35 x 111 x 82 mm
Weight 932 g
Locality Panasqueira Mine Covilhã, Castelo Branco District Portugal
Condition No recorded repairs
Panasqueira mine in Castelo Branco District, Portugal is one of Europe's most important tin-tungsten mines, having started way back in 1896 and reaching a peak in WW2 with 10,000 workers. The mine is still operating, but on a much smaller scale. Ferberite (iron tungstate) is the main ore of tungsten produced and can form very large bladed crystals. This cabinet-sized specimen shows the scale of the biggest crystals, with black, resinous, bladed crystals to 7 cm in length and 7.3 cm wide. It also highlights the remarkable density of tungsten, the sixth densest metal, even denser than gold. The Ferberite crystals on this specimen form in parallel alignment, with classic vertical growth lines and chisel-shaped terminations. Their overall shape, or form is very fine, although with the partial overgrowth of Muscovite on the front, and Arsenopyrite and Pyrite on the rear, the crystals are not quite perfection. There is also a chipped corner to the upper right hand crystal. Nevertheless, it presents extremely well the high quality large Ferberite crystals from this classic European occurrence and an area of bright silvery Arsenopyrite crystals at the base at the front sets it off really well. With support, it displays very well in an upright position. A classic from Panasqueira mine.

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I bought a specimen but it is not what I expected or was damaged in transit. Can I return the specimen?

Inevitably, sometimes things don't go as expected. Whether the specimen is damaged in transit or the identity is incorrect, we are aware that this can result in the return of a specimen.If your specimen is damaged during shipping, it is vitally important to take a photo of the packaging and specimen in situ. By recording this, we get an idea of the nature and possible reason behind the damage and will be able to process the return much faster.If you discover that the mineral species has been misidentified, we require details of the method of identification in order to understand why you believe this to be the case. If the identity is in question but no formal analysis has been attempted, Crystal Classics will assess the situation on a case-by-case basis. In some instances, this may mean the specimen is sent for analysis to determine the identity.In any scenario where a specimen is analysed and the species in question is not present on the specimen, we will provide a full refund.If you feel that the specimen was misrepresented in any way, please ensure you make contact with us within the 30 day grace period for resolution.In all instances, please ensure that you call or e-mail us immediately, prior to the return of a specimen to Crystal Classics, so that we can advise regarding the returns procedure. Failure to contact us prior to the return of a specimen may lead to the rejection of your return.Shipping costs of all returns are to be covered by the customer, unless the specimen was damaged in transit or if the identity is incorrect.

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