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Wöhlerite & Thomsonite-Ca

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PAV950775

Wöhlerite & Thomsonite-Ca

New Discovery

Description Tabs

Description
Locality: 
Terra do Baptista, Porto da Cruz, Machico, Madeira Islands, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.7 × 1.5 cm
Description

Spectacular wohlerite sample!

A curved group of crystals associated to a spheroidal aggregate of thomsonite-Ca.

Collected: 
2021
Boxed with Label
Mineral Data
What's on the rock

Wöhlerite

Formula: 
NaCa2(Zr,Nb)(Si2O7)(O,OH,F)2
Strunz: 
9.BE.17
Hardness: 
5.5 - 6.0
Type Locality: 
Løvøya (Løvø; Lövö; Lövöe), Langesundsfjorden, Porsgrunn, Telemark, Norway

Thomsonite-Ca

Formula: 
NaCa2[Al5Si5O20]·6H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Old Kilpatrick, Strathclyde (Dunbartonshire), Scotland, UK