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Britholite-(Y) Zircon & Fluornatropyrochlore

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CHA519067

Britholite-(Y) Zircon & Fluornatropyrochlore

Classic Locality

Description Tabs

Description
Locality: 
Água de Pau Volcano, São Miguel Island, Azores District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.1 × 2.1 cm
Description

fantastic association: two pink crystals of britholite-(Y) wit a yellow crystal of zircon with a red crystal of fluornatropyrochlore : really nice

Mineral Data
What's on the rock

Britholite-(Y)

Formula: 
Ca2(Y,Ca)3(SiO4,PO4)3(OH,F)
Strunz: 
9.AH.25
Crystal System: 
Hexagonal
Hardness: 
5.0
Type Locality: 
Abukuma range (Abukuma massif), Fukushima prefecture, Tohoku region, Honshu Island, Japan

Zircon

Formula: 
ZrSiO4
Strunz: 
9.AD.30
Crystal System: 
Tetragonal
Hardness: 
7.5
Streak: 
White

Fluornatropyrochlore

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

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