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Niobophyllite On Orthoclase

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SLN540125

Niobophyllite On Orthoclase

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.1 × 7.4 × 5.8 cm
Weight: 
120.00gr
Description

Interesting and important specimen from Mount Malosa of rare niobophyllite in nut-brown lamellar crystals in association with quartz on creamy orthoclase. 

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

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White

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