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Magnesioastrophyllite

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CSL80622

Magnesioastrophyllite

Rare Mineral

Description Tabs

Description
Locality: 
Koashva Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.2 × 0.7 cm
Description

Magnesioastrophyllite forms masses of golden-brown micaceus, tabular crystals.

Mineral Data
What's on the rock

Magnesioastrophyllite

Formula: 
(Na,K)4Mg2(Fe,Fe,Mn)5Ti2Si8O24(O,OH,F)7
Strunz: 
9.DC.05
Crystal System: 
Monoclinic
Hardness: 
3.0
Colour: 
Yellow
Type Locality: 
Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...
Loranth Minerals

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