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Niobophyllite

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WND777338

Niobophyllite

Ex Uli & Anka Bahmann Collection
Rare Mineral

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 2.8 × 4.1 cm
Largest Crystal: 
1.00cm
Description

This is a super-good specimen of rare inosilicate Niobophyllite, a member of the Astrophyllite group. It features golden-brown and partially well developed blades associated with black elongated Aegirine and minor Quartz. A fantastic specimen of a rare mineral,- and not as microcrystals.

Mineral Data
What's on the rock

Niobophyllite

Formula: 
(K,Na)3(Fe,Mn)6(Nb,Ti)2Si8(O,OH,F)31
Strunz: 
9.DC.05
Hardness: 
3.0 - 4.0
Type Locality: 
Mann 2 (Ten Mile Lake), Seal Lake alkaline complex (Letitia Lake), Labrador, Newfoundland and Labrador, Canada
Wendel Minerals

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