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Ferrokentbrooksite
€25.00
Reddish brown ferrokentbrooksite in a pegmatite matrix
Hackmann Valley, Khibiny Massif, Kola Peninsula, Russia
Pale, reddish brown ferrokentbrooksite and dark brown lamprophyllite in feldspar and natrolite
MM_0429
1 Item
Data sheet
- Locality
- Hackmann Valley, Khibiny Massif, Kola Peninsula, Russia
- Size category
- Small miniature
- Size (cm)
- 2.2 x 1.5 x 1.3
- Weight
- 5 g
- Formula
- Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3Cl2
- Properties
- Vitreous; pale reddish brown colour
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Reddish brown ferrokentbrooksite in a pegmatite matrix
Hackmann Valley, Khibiny Massif, Kola Peninsula, Russia