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Nabalamprophyllite

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SHS186218

Nabalamprophyllite

Description Tabs

Description
Locality: 
Gordon Butte, Meagher County, Montana, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.3 × 1 cm
Description

Brown nabalamprophyllite crystals in matrix

Mineral Data
What's on the rock

Nabalamprophyllite

Formula: 
Na3(Ba,Na)2Ti3(Si2O7)2O2(OH,F)2
Strunz: 
9.BE.25
Hardness: 
3.0 - 0.0
Streak: 
white
Type Locality: 
Kovdor Phlogopite mine (Mica Mine; Slyuda Mine; Kovdorslyuda Shaft), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...