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Uranocircite

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RSG1168527

Description Tabs

Description
Locality: 
Outeloup, Grandry, Nièvre, Bourgogne-Franche-Comté, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 2.5 × 2 cm
Description

Superb crystallization of uranocircite from Outeloup, France.

The specimen displays numerous well-developed tabular crystals, forming a dense aggregate with sharply defined outlines. The crystals show a square to slightly rectangular morphology typical of the tetragonal system, with finely striated flat faces.

The color ranges from intense lemon-yellow to bright yellow-green, with noticeable translucency. Under suitable lighting, the piece exhibits a strong yellow-green fluorescence, characteristic of secondary uranium phosphates.

The crystals are arranged in subparallel stacks, producing a highly aesthetic geometric appearance. The overall luster is vitreous to slightly pearly on fresh surfaces.

Uranocircite is a hydrated barium uranium phosphate (Ba(UO₂)₂(PO₄)₂·8–10H₂O), typically formed in the oxidation zones of granitic uranium deposits.

In a box 2.8x2.8cm, labelled

FoV : 3.8mm

Mineral Data
What's on the rock

Uranocircite

Formula: 
Ba(UO2)2(PO4)2·10H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Streuberg Quarry, Bergen, Bergen U deposit, Zobes-Bergen District, Vogtland, Saxony, Germany

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$15
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Start 25 Feb 18:00
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Shipping Information

Postage Area Price
FRANCE
€6
EUROPE
€8
MONDE / WORLD
€10
USA - Packages
€40
View sellers shipping policy

Shipping every Thursday mornings

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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