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Villiaumite & Neptunite

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UVM657915

Villiaumite & Neptunite

Classic Locality

Description Tabs

Description
Locality: 
Point of Rocks Quarry, Point of Rocks Mesa, Colfax County, New Mexico, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3.6 × 2.5 cm
Description

Pink crystalline grains of villiaumite in matrix rich in needles of neptunite.   

Mineral Data
What's on the rock

Villiaumite

Formula: 
NaF
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea

Neptunite

Formula: 
Na2KLi(Fe2+,Mn2+)2Ti2(Si8O24)
Strunz: 
9.EH.05
Hardness: 
5.0 - 6.0
Colour: 
Black
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Seller Information

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