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Lorenzenite Vinogradovite & Eudialyte

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CSL143752

Lorenzenite Vinogradovite & Eudialyte

Rare Mineral

Description Tabs

Description
Locality: 
Lepkhe-Nel'm Mountain, Seidozero Lake, Lovozero Massif, Murmansk Oblast, Russian Federation
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 5.7 × 3.7 cm
Largest Crystal: 
4.90cm
Description

This is a great alkaline mineral combo from the Lepkhe-Nelm alkaline-pegmatite zone. The main attraction is fairly large, dark brown crystal section of sodium and titanium bearing silicate mineral lorenzenite. Lorenzenite is associated with pale pink, prismatic vinogradovite crystals and white rhombohedrons of chabazite-Na. Other associating minerals are red eudialyte with creme coloured catapleite rim and green-black aegirine crystals. Very rich and informative piece.

Mineral Data
What's on the rock

Lorenzenite

Formula: 
Na2Ti2(Si2O6)O3
Strunz: 
9.DB.10
Hardness: 
6.0
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Vinogradovite

Formula: 
(Na,Ca,K)4Ti4AlSi6O23(OH)·2H2O
Strunz: 
9.DB.25
Hardness: 
4.0
Type Locality: 
Lepkhe-Nel'm Mt (Lepkhe-Nelm; Nepkha), Seidozero Lake, Lovozero Massif, 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
Loranth Minerals

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