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Aenigmatite Fogoite-(Y) & Fluornatropyrochlore

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PAV1030513

Aenigmatite Fogoite-(Y) & Fluornatropyrochlore

New Discovery

Description Tabs

Description
Locality: 
Água de Alto, Vila Franca do Campo, São Miguel Island, Azores District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 2.8 × 2.5 cm
Description

Nice combo of several metallic bluish gray aenigmatite, with fogoite-(Y), fluornatropyrochlore and a possible eudyalite group mineral (honey phase associated to fogoite).

Collected: 
2023
Boxed with Label
Mineral Data
What's on the rock

Aenigmatite

Formula: 
Na2Fe2+5Ti(Si6O18)O2
Strunz: 
9.DH.40
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Fluornatropyrochlore

Formula: 
(Na,REE,Ca)2Nb2(O,OH)6F
Hardness: 
0.0
Type Locality: 
Maoniuping Mine, Mianning Co., Liangshan Autonomous Prefecture, Sichuan Province, China