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Ellingsenite

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JYJ617744

Ellingsenite

Description Tabs

Description
Locality: 
Aris Quarry, Windhoek Rural, Khomas Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1 cm
Description

Beautiful cauliflower like shaped ellingsenite aggregate on matrix. Specimen is from the collection of the norwegian collector  A. Haugen, previously H.V. Ellingsen.

References:

Yakovenchuk, V.N., Ivanyuk, G.Yu., Pakhomovsky, Y.A., Selivanova, E.A., Mikhailova, J.A., Krivovichev, S.V., Zolotarev, A.A. and Zalkind, O.A. (2011): Ellingsenite, Na5Ca6Si18O38(OH)13·6H2O, a new martinite-related mineral from phonolite of the Aris alkaline complex (Namibia). Canadian Mineralogist, 49, 1165-1173.

Mineral Data
What's on the rock

Ellingsenite

Formula: 
Na5Ca6Si18O38(OH)13·6H2O
Hardness: 
4.0 - 0.0
Streak: 
White
Type Locality: 
Aris Quarries (Ariskop Quarry; Railway Quarry), Aris, Windhoek District, Khomas Region, Namibia