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Combeite

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GFM1058360

Combeite

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Description Tabs

Description
Locality: 
Ejected Boulder Field, East of the Oldoinyo Lengai Volcano, African Rift Valley, Tanzania (United Republic)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 2 cm
Description

 Pale rose 5 mm large surrounding crystal aggregates with a core of a colorless long prismatic Wollastonite crystals in Nepheline Augite Matrix. Nice specimens of this rare Ca-Na-Silicate, collect by self in July 2018.

Mineral Data
What's on the rock

Combeite

Formula: 
Na2Ca2(Si6O18)0.5
Strunz: 
9.CJ.15a
Hardness: 
0.0
Type Locality: 
Mt Shaheru, Mt Nyiragongo, Goma, Kivu, Democratic Republic of Congo (Zaïre)