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Ralstonite

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RSG1163597

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Description
Locality: 
Ivigtut, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1.8 × 1.8 cm
Description

Outstanding micromount of ralstonite from Ivigtut (Ivigut), Greenland, displaying an elegant cluster of well-formed crystals with octahedral to pseudo-cubic habit, showing translucent white to faintly pearly tones. The crystal faces are sharp, locally finely striated, with crisp edges and well-developed terminations, giving the specimen an excellent geometric definition.

The tightly grouped crystals exhibit a vitreous to silky luster and partial transparency, revealing delicate internal structures and ghost zoning under high magnification. The contrast between the sharp morphology and the soft milky coloration greatly enhances the overall visual appeal.

Ralstonite is a rare hydrated aluminum fluoride, characteristic of the hyperalkaline cryolite-bearing environment of Ivigtut, a world-famous locality for fluorine and aluminum minerals. A specimen of high scientific and aesthetic interest, perfectly representative of this classic occurrence, and ideally suited for advanced micromineral collections.

In a box 2.8x2.8cm, labelled

FoV : 2.8mm

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Postage Area Price
FRANCE
€6
EUROPE
€8
MONDE / WORLD
€10
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Shipping about 4 to 7 working days (I'am in général waiting for the next auction to end in case you want to bid on the next one)

All the items will be sent in padded envelope so the shipping costs will be reduced and the item protected as good as possible. However if you order several items, a parcel will be better.

The shipping price includes the price of the padded envelope.

We keep attention to all of our package and try to deliver the parcel as quick as possible to the costumer.
 

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

No refund on the items

When you win an auction, please pay within the end of the month of the auction. If you have not paid by the end of this selling period the item will be relisted or a litigation will be open.

If you have any questions or enquiries, we will be happy to answer to them

 

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