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Loparite-(Ce) Lamprophyllite & Eudialyte

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MNR645743

Loparite-(Ce) Lamprophyllite & Eudialyte

Rare Mineral

Description Tabs

Description
Locality: 
N'orkpakhk Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.5 × 4 cm
Largest Crystal: 
1.00cm
Description

Black Loparite - (Ce) twinned crystal perched on matrix is although not complete at the tip, but really impressive in size. Crystal reach 1 cm! Associated minerals are Lamprophyllite, Eudialyte and Aegirine.

Mineral Data
What's on the rock

Loparite-(Ce)

Formula: 
(Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O3
Strunz: 
4.CC.35
Hardness: 
5.5
Type Locality: 
Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Lamprophyllite

Formula: 
(Sr,K,Ba)2(Na,Ti,Mn2+,Fe3+)4Ti2(Si2O7)2O(O,OH,F)
Strunz: 
9.BE.25
Hardness: 
2.5
Colour: 
Yellow
Type Locality: 
Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Eudialyte

Formula: 
Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland