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Steenstrupine-(Ce) & Vuonnemite

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AMM1104817

Steenstrupine-(Ce) & Vuonnemite

Classic Locality

Description Tabs

Description
Locality: 
Shkatulka Pegmatite, Umbozero Mine, Alluaiv Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 2.5 × 3.1 cm
Largest Crystal: 
1.00cm
Description

Fine specimen decorated with some dark brown (nearly black) steenstrupine-(Ce) aggregates in purple ussingite matrix. Associated with large yellowish platy vuonnemite aggregates. Both minerals, steenstrupine-(Ce) and vuonnemite, reach to a size of 1 centimetre in length.

Mineral Data
What's on the rock

Steenstrupine-(Ce)

Formula: 
Na14Mn2+2(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2·2H2O
Strunz: 
9.CK.20
Hardness: 
4.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Vuonnemite

Formula: 
Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH)
Strunz: 
9.BE.35
Crystal System: 
Triclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.