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Nabesite & Fluorapatite

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BCK741924

Nabesite & Fluorapatite

Type Locality

Description Tabs

Description
Locality: 
Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 3.2 × 2.1 cm
Description

You are bidding on a large sample with a vuggy area on one end hosting plates of rare nabesite with analcime, natrolite, strange columns of fluorapatite and unknown radial sprays of flat prisms. I searched for the elusive carlgieseckeite-Nd but did not spot any. Nice specimen of this hatd to find zeolite. 

Mineral Data
What's on the rock

Nabesite

Formula: 
Na2BeSi4O10·4H2O
Strunz: 
9.EA.65
Hardness: 
5.0 - 6.0
Streak: 
white
Type Locality: 
Tugtupite-bearing albitites, Kuannersuit Plateau (Kvanefjeld), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Seller Information

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