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Ferro-ferri-nybøite Ceriopyrochlore

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Ferro-ferri-nybøite Ceriopyrochlore

Analysed

Description Tabs

Description
Locality: 
Abdong, Pyonggang County, Kangwon Province, North Korea
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.6 × 0.5 cm
Description

Black granular-prismatic Ferro-ferri-nybøite with small orange-brwon Ceriopyrochlore (of Hogarth 1977) from very rare locality. Analysed

Mineral Data
What's on the rock

Ferro-ferri-nybøite

Formula: 
NaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2
Strunz: 
9.DE.25
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Ceriopyrochlore

Renamed To: 

Ceriopyrochlore (of Hogarth 1977)

Formula: 
(Ce,Ca,Y)2(Nb,Ta)2O6(OH,F)
Strunz: 
4.DH.15
Hardness: 
5.0 - 5.5

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