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Hingganite-(Ce) Leucophanite Sérandite & Aegirine

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SYM537651

Hingganite-(Ce) Leucophanite Sérandite & Aegirine

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 0.6 cm
Description

Light yellow - brown crystals of hingganite-ce with yellow leucophanite, aegirine needles on serandite. 

Mineral Data
What's on the rock

Hingganite-(Ce)

Formula: 
(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2
Strunz: 
9.AJ.20
Hardness: 
5.0 - 6.0
Colour: 
Pale tan
Streak: 
White
Type Locality: 
Iwaguro Sekizai quarry, Tawara (Tahara), Hirukawa, Nakatsugawa City, Gifu Prefecture, Chubu Region, Honshu Island, Japan

Leucophanite

Formula: 
NaCaBeSi2O6F
Strunz: 
9.DH.05
Hardness: 
4.0
Streak: 
white
Type Locality: 
Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, Norway

Sérandite

Formula: 
Na(Mn2+,Ca)2(HSi3O9)
Strunz: 
9.DG.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea

Aegirine

Formula: 
NaFe3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Rundemyr, Øvre Eiker, Buskerud, Norway