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Tugtupite Sodalite Analcime Chkalovite & Natrolite

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PCZ706584

Tugtupite Sodalite Analcime Chkalovite & Natrolite

Fluorescent

Description Tabs

Description
Locality: 
Taseq Slope, Ilimaussaq, Narsaq, Kujalleq, Greenland
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 4 × 1.6 cm
Description

This material from from Taseq Slope, Ilimaussaq Complex, Greenland  is known as  "Fantasy Rock " and possibly provides the most attractive and colourful fluorescent specimen known.  The first image was taken in UV-SW, the second in UV-LW and the third in natural light. Fantasy Rock is a combination of tugtupite, sodalite, analcime, chkalovite, natrolite and other minerals. Red is tugtupite, green is uranyl activated natrolite, light blue is analcime and in LW sodalite is orange. Chakalovite sometimes is surrounded by a ring of tugtupite can be either white or magenta.

Mineral Data
What's on the rock

Tugtupite

Formula: 
Na4(AlBeSi4O12)Cl
Strunz: 
9.FB.10
Hardness: 
4.0
Streak: 
white
Type Locality: 
Albitite vein, Tugtup Agtakôrfia (Tuttup Attakoorfia), Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Sodalite

Formula: 
Na8(Al6Si6O24)Cl2
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

Chkalovite

Formula: 
Na2BeSi2O6
Strunz: 
9.DM.20
Hardness: 
6.0
Colour: 
White
Type Locality: 
Malyi Punkaruaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany
Peter Crozier Minerals