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Manganoneptunite & Kazakovite

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CSL103573

Manganoneptunite & Kazakovite

Rare Mineral

Description Tabs

Description
Locality: 
Palitra Pegmatite, Karnasurt Mine, Kedykverpakhk Mountain, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.9 × 1.2 cm
Largest Crystal: 
0.30cm
Description

This is a nice terminated manganoneptunite crystal with rare kazakovite on ussingite matrix. Kazakovite is a Na-Mn-Ti silicate occurs only in the Kola region. Other associating minerals are small dark brown fragments of kapustinite and natrolite.

Mineral Data
What's on the rock

Manganoneptunite

Formula: 
Na2KLi(Mn2+,Fe2+)2Ti2[Si8O24]
Strunz: 
9.EH.05
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0
Colour: 
Red
Type Locality: 
Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Kazakovite

Formula: 
Na6Mn2+Ti(Si6O18)
Strunz: 
9.CJ.15a
Hardness: 
4.0
Type Locality: 
Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...
Loranth Minerals

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