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Cyrtolite With Uraninite

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PDM1162734

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Description
Locality: 
Kobokobo Pegmatite, Mwenga, South Kivu, DR Congo
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 0.9 cm
Weight: 
10.00gr
Description

Beautiful specimen with a cluster of brown cyrtolite crystals. Cyrtolite is a hydrous zircon variety with part of the Zr replaced by Th+U. Kobokobo cyrtolites are very uncommon, and this is a gorgeous, well crystallized specimen. It is naturally fractured and cemented by U minerals, likely one of the numerous rare yellowish orange specimens from which Kobokobo is the type locality. Small black cubic uraninite crystals are also present on the surfaces.

Old piece from the 1970’s. Ex Claude Hootelé specimen.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Cyrtolite

Variety Of: 

Zircon

Formula: 
ZrSiO4
Strunz: 
9.AD.30
Hardness: 
7.5
Formula: 
Zr[(SiO4),(OH)4]
Hardness: 
0.0

Uraninite

Formula: 
UO2
Strunz: 
4.DL.05
Crystal System: 
Isometric
Hardness: 
5.0 - 6.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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Shipping Information

Postage Area Price
Belgium (Tracked)
7
NL, DE, FR, LU (Tracked)
10
EUROPE 1 . or 2 (Tracked)
12.16
CANADA (Tracked)
21
USA (NOT Tracked) . or USA (Tracked)
24
REST (Tracked)
22

Seller Information

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