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Bastnäsite-(Ce) Rhabdophane-(Y) & Astrophyllite

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PAV998458

Bastnäsite-(Ce) Rhabdophane-(Y) & Astrophyllite

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: 
2.5 × 2.5 × 2.3 cm
Description

Interesting new discovery from a new locality at São Miguel, Azores.

Extremely small pale orange rhabdophane-(Y) on bastnaesite-(Ce), possibly an epitaxial growth.

 

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

Bastnäsite-(Ce)

Formula: 
(Ce,La)(CO3)F
Strunz: 
5.BD.20a
Crystal System: 
Hexagonal
Hardness: 
4.0 - 4.5
Type Locality: 
Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden

Rhabdophane-(Y)

Formula: 
YPO4·H2O
Hardness: 
0.0
Type Locality: 
Hinodematsu, Genkai-cho, Higashimatsuura-gun, Saga Prefecture, Kyushu Region, Japan

Astrophyllite

Formula: 
(K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7
Strunz: 
9.DC.05
Crystal System: 
Triclinic
Hardness: 
3.0
Streak: 
Golden
Type Locality: 
Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, Norway